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The Alerts queue shows a list of alerts that were flagged from machines in your network. By default, the queue displays alerts seen in the last 30 days in a grouped view, with the most recent alerts showing at the top of the list, helping you see the most recent alerts first.

There are several options you can choose from to customize the alerts queue view. On the top navigation you can: Select grouped view or list view Customize columns to add or remove columns Select the items to show per page Navigate between pages Apply filters. Sort, filter, and group the alerts queue You can apply the following filters to limit the list of alerts and get a more focused view the alerts.

These alerts indicate a high risk due to the severity of damage they can inflict on machines. Informational Informational alerts are those that might not be considered Grey harmful to the network but might be good to keep track of.

The Windows Defender AV threat severity represents the absolute severity of the detected threat malware , and is assigned based on the potential risk to the individual machine, if infected.

The Windows Defender ATP alert severity represents the severity of the detected behavior, the actual risk to the machine but more importantly the potential risk to the organization. So, for example: The severity of a Windows Defender ATP alert about a Windows Defender AV detected threat that was completely prevented and did not infect the machine is categorized as “Informational” because there was no actual damage incurred.

An alert about a commercial malware was detected while executing, but blocked and remediated by Windows Defender AV, is categorized as “Low” because it may have caused some damage to the individual machine but poses no organizational threat. An alert about malware detected while executing which can pose a threat not only to the individual machine but to the organization, regardless if it was eventually blocked, may be ranked as “Medium” or “High”.

Suspicious behavioral alerts which were not blocked or remediated will be ranked “Low”, “Medium” or “High” following the same organizational threat considerations. Status You can choose to limit the list of alerts based on their status. Investigation state Corresponds to the automated investigation state. Assigned to You can choose between showing alerts that are assigned to you or automation.

Detection source Select the source that triggered the alert detection. Microsoft Threat Experts preview participants can now filter and see detections from the new threat experts managed hunting service. OS platform Limit the alerts queue view by selecting the OS platform that you’re interested in investigating. Associated threat Use this filter to focus on alerts that are related to high profile threats.

You can see the full list of high-profile threats in Threat analytics. Windows Defender ATP notifies you of possible malicious events, attributes, and contextual information through alerts. A summary of new alerts is displayed in the Security operations dashboard, and you can access all alerts in the Alerts queue.

You can manage alerts by selecting an alert in the Alerts queue or the Alerts related to this machine section of the machine details view.

Selecting an alert in either of those places brings up the Alert management pane. Link to another incident You can create a new incident from the alert or link to an existing incident. Assign alerts If an alert is no yet assigned, you can select Assign to me to assign the alert to yourself.

Suppress alerts There might be scenarios where you need to suppress alerts from appearing in Windows Defender Security Center. Windows Defender ATP lets you create suppression rules for specific alerts that are known to be innocuous such as known tools or processes in your organization.

Suppression rules can be created from an existing alert. They can be disabled and reenabled if needed. When a suppression rule is created, it will take effect from the point when the rule is created. The rule will not affect existing alerts already in the queue prior to the rule creation. The rule will only be applied on alerts that satisfy the conditions set after the rule is created. There are two contexts for a suppression rule that you can choose from: Suppress alert on this machine Suppress alert in my organization The context of the rule lets you tailor what gets surfaced into the portal and ensure that only real security alerts are surfaced into the portal.

You can use the examples in the following table to help you choose the context for a suppression rule:. Suppress alert on this machine Alerts with the same alert title and on A security researcher is that specific machine only will be investigating a malicious script suppressed.

A developer regularly creates PowerShell scripts for their team. Suppress alert in my organization Alerts with the same alert title on any A benign administrative tool is machine will be suppressed. Suppress an alert and create a new suppression rule: Create custom rules to control when alerts are suppressed, or resolved. You can control the context for when an alert is suppressed by specifying the alert title, Indicator of compromise, and the conditions.

Select the alert you’d like to suppress. This brings up the Alert management pane. Select Create a suppression rule. You can create a suppression rule based on the following attributes: File hash File name – wild card supported File path – wild card supported IP URL – wild card supported 3. Select the Trigerring IOC. Specify the action and scope on the alert.

You can automatically resolve an alert or hide it from the portal. Alerts that are automatically resolved will appear in the resolved section of the alerts queue. Alerts that are marked as hidden will be suppressed from the entire system, both on the machine’s associated alerts and from the dashboard.

You can also specify to suppress the alert on a specific machine group. Enter a rule name and a comment. Click Save. View the list of suppression rules 1. The list of suppression rules shows all the rules that users in your organization have created. For more information on managing suppression rules, see Manage suppression rules. Change the status of an alert You can categorize alerts as New, In Progress, or Resolved by changing their status as your investigation progresses. This helps you organize and manage how your team can respond to alerts.

For example, a team leader can review all New alerts, and decide to assign them to the In Progress queue for further analysis. Alternatively, the team leader might assign the alert to the Resolved queue if they know the alert is benign, coming from a machine that is irrelevant such as one belonging to a security administrator , or is being dealt with through an earlier alert.

Alert classification You can choose not to set a classification, or specify whether an alert is a true alert or a false alert. This classification is used to monitor alert quality, and make alerts more accurate. The “determination” field defines additional fidelity for a “true positive” classification. Add comments and view the history of an alert You can add comments and view historical events about an alert to see previous changes made to the alert. Investigate alerts that are affecting your network, understand what they mean, and how to resolve them.

Click an alert to see the alert details view and the various tiles that provide information about the alert. You can also manage an alert and see alert metadata along with other information that can help you make better decisions on how to approach them. You’ll also see a status of the automated investigation on the upper right corner. Clicking on the link will take you to the Automated investigations view. For more information, see Automated investigations.

The alert context tile shows the where, who, and when context of the alert. As with other pages, you can click on the icon beside the name or user account to bring up the machine or user details pane. The alert details view also has a status tile that shows the status of the alert in the queue. You’ll also see a description and a set of recommended actions which you can expand. For more information about managing alerts, see Manage alerts.

The alert details page also shows the alert process tree, an incident graph, and an artifact timeline. You can click on the machine link from the alert view to navigate to the machine. If the alert appeared more than once on the machine, the latest occurrence will be displayed in the Machine timeline.

Alerts attributed to an adversary or actor display a colored tile with the actor’s name. Click on the actor’s name to see the threat intelligence profile of the actor, including a brief overview of the actor, their interests or targets, their tools, tactics, and processes TTPs and areas where they’ve been observed worldwide.

You will also see a set of recommended actions to take. Some actor profiles include a link to download a more comprehensive threat intelligence report. The detailed alert profile helps you understand who the attackers are, who they target, what techniques, tools, and procedures TTPs they use, which geolocations they are active in, and finally, what recommended actions you may take.

In many cases, you can download a more detailed Threat Intelligence report about this attacker or campaign for offline reading. Alert process tree The Alert process tree takes alert triage and investigation to the next level, displaying the aggregated alert and surrounding evidence that occurred within the same execution context and time period. This rich triage and investigation context is available on the alert page.

The Alert process tree expands to display the execution path of the alert and related evidence that occurred around the same period. Items marked with a thunderbolt icon should be given priority during investigation.

Clicking in the circle immediately to the left of the indicator displays its details. The alert details pane helps you take a deeper look at the details about the alert. It displays rich information about the execution details, file details, detections, observed worldwide, observed in organization, and other details taken from the entity’s page — while remaining on the alert page, so you never leave the current context of your investigation.

Incident graph The Incident Graph provides a visual representation of the organizational footprint of the alert and its evidence: where the evidence that triggered the alert was observed on other machines. It provides a graphical mapping from the original machine and evidence expanding to show other machines in the organization where the triggering evidence was also observed. You can click the full circles on the incident graph to expand the nodes and view the expansion to other machines where the matching criteria were observed.

Artifact timeline The Artifact timeline feature provides an addition view of the evidence that triggered the alert on the machine, and shows the date and time the evidence triggering the alert was observed, as well as the first time it was observed on the machine. This can help in understanding if the evidence was first observed at the time of the alert, or whether it was observed on the machine earlier – without triggering an alert. Selecting an alert detail brings up the Details pane where you’ll be able to see more information about the alert such as file details, detections, instances of it observed worldwide, and in the organization.

Investigate the details of a file associated with a specific alert, behavior, or event to help determine if the file exhibits malicious activities, identify the attack motivation, and understand the potential scope of the breach. You can investigate files by using the search feature, clicking on a link from the Alert process tree, Incident graph, Artifact timeline, or from an event listed in the Machine timeline.

You can get information from the following sections in the file view: File details, Malware detection, Prevalence worldwide Deep analysis Alerts related to this file File in organization Most recent observed machines with file. File worldwide and Deep analysis The file details, malware detection, and prevalence worldwide sections display various attributes about the file. For more information on how to take action on a file, see Take response action on a file.

You’ll also be able to submit a file for deep analysis. Alerts related to this file The Alerts related to this file section provides a list of alerts that are associated with the file. This list is a simplified version of the Alerts queue, and shows the date when the last activity was detected, a short description of the alert, the user associated with the alert, the alert’s severity, the alert’s status in the queue, and who is addressing the alert.

File in organization The File in organization section provides details on the prevalence of the file, prevalence in email inboxes and the name observed in the organization. Most recent observed machines with the file The Most recent observed machines with the file section allows you to specify a date range to see which machines have been observed with the file. This allows for greater accuracy in defining entities to display such as if and when an entity was observed in the organization.

Investigate machines Investigate the details of an alert raised on a specific machine to identify other behaviors or events that might be related to the alert or the potential scope of breach.

You can click on affected machines whenever you see them in the portal to open a detailed report about that machine. Affected machines are identified in the following areas: The Machines list The Alerts queue The Security operations dashboard Any individual alert Any individual file details view Any IP address or domain details view When you investigate a specific machine, you’ll see: Machine details, Logged on users, Machine risk, and Machine Reporting Alerts related to this machine Machine timeline.

The machine details, logged on users, machine risk, and machine reporting sections display various attributes about the machine. Machine details The machine details tile provides information such as the domain and OS of the machine. If there’s an investigation package available on the machine, you’ll see a link that allows you to download the package.

For more information on how to take action on a machine, see Take response action on a machine. Logged on users Clicking on the logged on users in the Logged on users tile opens the Users Details pane that displays the following information for logged on users in the past 30 days: Interactive and remote interactive logins Network, batch, and system logins. You’ll also see details such as logon types for each user account, the user group, and when the account logon occurred. For more information, see Investigate user entities.

Machine risk The Machine risk tile shows the overall risk assessment of a machine. A machine’s risk level can be determined using the number of active alerts or by a combination of multiple risks that may increase the risk assessment and their severity levels.

You can influence a machine’s risk level by resolving associated alerts manually or automatically and also by suppressing an alert. It’s also indicators of the active threats that machines could be exposed to. Azure Advanced Threat Protection If you have enabled the Azure ATP feature and there are alerts related to the machine, you can click on the link that will take you to the Azure ATP page where more information about the alerts are provided.

For more information on how to enable advanced features, see Turn on advanced features. It also shows when the machine was first and last seen reporting to the service. Alerts related to this machine The Alerts related to this machine section provides a list of alerts that are associated with the machine.

This list is a filtered version of the Alerts queue, and shows the date when the alert’s last activity was detected, a short description of the alert, the user account associated with the alert, the alert’s severity, the alert’s status in the queue, and who is addressing the alert. You can also choose to highlight an alert from the Alerts related to this machine or from the Machine timeline section to see the correlation between the alert and its related events on the machine by right-clicking on the alert and selecting Select and mark events.

This highlights the alert and its related events and helps distinguish them from other alerts and events appearing in the timeline.

Highlighted events are displayed in all information levels whether you choose to view the timeline by Detections, Behaviors, or Verbose. Machine timeline The Machine timeline section provides a chronological view of the events and associated alerts that have been observed on the machine.

This feature also enables you to selectively drill down into events that occurred within a given time period. You can view the temporal sequence of events that occurred on a machine over a selected time period.

Windows Defender ATP monitors and captures suspicious or anomalous behavior on Windows 10 machines and displays the process tree flow in the Machine timeline. This gives you better context of the behavior which can contribute to understanding the correlation between events, files, and IP addresses in relation to the machine.

Search for specific events Use the search bar to look for specific timeline events. This search supports defined search queries based on type:value pairs. Filtering by event type allows you to define precise queries so that you see events with a specific focus. For example, you can search for a file name, then filter the results to only see Process events matching the search criteria or to only view file events, or even better: to view only network events over a period of time to make sure no suspicious outbound communications go unnoticed.

Firewall covers the following events: – firewall service stopped – application blocked from accepting incoming connections on the network – blocked connection. User account — Click the drop-down button to filter the machine timeline by the following user associated events: Logon users System Network Local service The following example illustrates the use of type:value pair.

The events were filtered by searching for the user jonathan. The results in the timeline only show network communication events run in the defined user context. Filter events from a specific date Use the time-based slider to filter events from a specific date. Using the slider updates the listed alerts to the date that you select. Displayed events are filtered from that date and older. The slider is helpful when you’re investigating a particular alert on a machine.

You can navigate from the Alerts view and click on the machine associated with the alert to jump to the specific date when the alert was observed, enabling you to investigate the events that took place around the alert. Export machine timeline events You can also export detailed event data from the machine timeline to conduct offline analysis.

You can choose to export the machine timeline for the current date or specify a date range. You can export up to seven days of data and specify the specific time between the two dates. You can choose to display 20, 50, or events per page.

You can also move between pages by clicking Older or Newer. From the Machines list, you can also navigate to the file, IP, or URL view and the timeline associated with an alert is retained, helping you view the investigation from different angles and retain the context of the event time line.

From the list of events that are displayed in the timeline, you can examine the behaviors or events in to help identify indicators of interests such as files and IP addresses to help determine the scope of a breach.

You can then use the information to respond to events and keep your system secure. You can also use the Artifact timeline feature to see the correlation between alerts and events on a specific machine.

Expand an event to view associated processes related to the event. This action brings up the Details pane which includes execution context of processes, network communications and a summary of meta data on the file or IP address. It lets you focus on the task of tracing associations between attributes without leaving the current context. Examine possible communication between your machines and external internet protocol IP addresses.

Identifying all machines in the organization that communicated with a suspected or known malicious IP address, such as Command and Control C2 servers, helps determine the potential scope of breach, associated files, and infected machines.

IP in organization The IP in organization section provides details on the prevalence of the IP address in the organization. Most recent observed machines with IP The Most recent observed machines with IP section provides a chronological view on the events and associated alerts that were observed on the IP address.

Investigate an external IP: 1. Select IP from the Search bar drop-down menu. Enter the IP address in the Search field. Click the search icon or press Enter. Details about the IP address are displayed, including: registration details if available , reverse IPs for example, domains , prevalence of machines in the organization that communicated with this IP Address during selectable time period , and the machines in the organization that were observed communicating with this IP address.

NOTE Search results will only be returned for IP addresses observed in communication with machines in the organization. Use the search filters to define the search criteria. You can also use the timeline search box to filter the displayed results of all machines in the organization observed communicating with the IP address, the file associated with the communication and the last date observed. Clicking any of the machine names will take you to that machine’s view, where you can continue investigate reported alerts, behaviors, and events.

Investigate a domain to see if machines and servers in your enterprise network have been communicating with a known malicious domain. You can investigate a domain by using the search feature or by clicking on a domain link from the Machine timeline. Investigate a domain: 1. Select URL from the Search bar drop-down menu. Enter the URL in the Search field.

Details about the URL are displayed. Note: search results will only be returned for URLs observed in communications from machines in the organization. You can also use the timeline search box to filter the displayed results of all machines in the organization observed communicating with the URL, the file associated with the communication and the last date observed. Investigate user account entities Identify user accounts with the most active alerts displayed on dashboard as “Users at risk” and investigate cases of potential compromised credentials, or pivot on the associated user account when investigating an alert or machine to identify possible lateral movement between machines with that user account.

You can find user account information in the following views: Dashboard Alert queue Machine details page A clickable user account link is available in these views, that will take you to the user account details page where more details about the user account are shown. When you investigate a user account entity, you’ll see: User account details, Azure Advanced Threat Protection Azure ATP alerts, and Logged on machines Alerts related to this user Observed in organization machines logged on to.

User details The user account entity details, Azure ATP alerts, and logged on machines sections display various attributes about the user account. The user entity tile provides details about the user such as when the user was first and last seen. Depending on the integration features you enable, you’ll see other details. For example, if you enable the Skype for business integration, you’ll be able to contact the user from the portal.

Azure Advanced Threat Protection If you have enabled the Azure ATP feature and there are alerts related to the user, you can click on the link that will take you to the Azure ATP page where more information about the alerts are provided. The Azure ATP tile also provides details such as the last AD site, total group memberships, and login failure associated with the user.

Logged on machines You’ll also see a list of the machines that the user logged on to, and can expand these to see details of the logon events on each machine. Alerts related to this user This section provides a list of alerts that are associated with the user account.

This list is a filtered view of the Alert queue, and shows alerts where the user context is the selected user account, the date when the last activity was detected, a short description of the alert, the machine associated with the alert, the alert’s severity, the alert’s status in the queue, and who is assigned the alert.

Observed in organization This section allows you to specify a date range to see a list of machines where this user was observed logged on to, and the most frequent and least frequent logged on user account on each of these machines. The machine health state is displayed in the machine icon and color as well as in a description text.

Clicking on the icon displays additional details regarding machine health. Search for specific user accounts 1. Select User from the Search bar drop-down menu.

Enter the user account in the Search field. A list of users matching the query text is displayed. You’ll see the user account’s domain and name, when the user account was last seen, and the total number of machines it was observed logged on to in the last 30 days.

The Machines list shows a list of the machines in your network where alerts were generated. By default, the queue displays machines with alerts seen in the last 30 days. At a glance you’ll see information such as domain, risk level, OS platform, and other details. There are several options you can choose from to customize the machines list view.

On the top navigation you can: Customize columns to add or remove columns Export the entire list in CSV format Select the items to show per page Navigate between pages Apply filters Use the machine list in these main scenarios: During onboarding During the onboarding process, the Machines list is gradually populated with machines as they begin to report sensor data.

Use this view to track your onboarded endpoints as they come online. Sort and filter by time of last report, Active malware category, or Sensor health state, or download the complete endpoint list as a CSV file for offline analysis. It might take a significant amount of time to download, depending on how large your organization is.

Exporting the list in CSV format displays the data in an unfiltered manner. The CSV file will include all machines in the organization, regardless of any filtering applied in the view itself. Day-to-day work The list enables easy identification of machines most at risk in a glance. High-risk machines have the greatest number and highest-severity alerts. Sorting machines by Active alerts, helps identify the most vulnerable machines and take action on them. Sort and filter the machine list You can apply the following filters to limit the list of alerts and get a more focused view.

Risk level Machine risk levels are indicators of the active threats that machines could be exposed to. A machine’s risk level is determined using the number of active alerts and their severity levels.

OS Platform Limit the alerts queue view by selecting the OS platform that you’re interested in investigating. Health state Filter the list to view specific machines grouped together by the following machine health states: Active — Machines that are actively reporting sensor data to the service. Misconfigured — Machines that have impaired communications with service or are unable to send sensor data.

Misconfigured machines can further be classified to: No sensor data Impaired communications For more information on how to address issues on misconfigured machines see, Fix unhealthy sensors.

Inactive — Machines that have completely stopped sending signals for more than 7 days. Security state Filter the list to view specific machines that are well configured or require attention based on the Windows Defender security controls that are enabled in your organization. Well configured – Machines have the Windows Defender security controls well configured. Requires attention – Machines where improvements can be made to increase the overall security posture of your organization.

For more information, see View the Secure Score dashboard. Tags You can filter the list based on the grouping and tagging that you’ve added to individual machines.

Add tags on machines to create a logical group affiliation. Machine group affiliation can represent geographic location, specific activity, importance level and others. You can create machine groups in the context of role-based access RBAC to control who can take specific action or who can see information on a specific machine group or groups by assigning the machine group to a user group.

For more information, see Manage portal access using role-based access control. You can also use machine groups to assign specific remediation levels to apply during automated investigations. For more information, see Create and manage machine groups. In an investigation, you can filter the Machines list to just specific machine groups by using the Groups filter. Machine tags support proper mapping of the network, enabling you to attach different tags to capture context and to enable dynamic list creation as part of an incident.

You can add tags on machines using the following ways: By setting a registry key value By using the portal. You can limit the machines in the list by selecting the Tag filter on the Machines list. Machines with similar tags can be handy when you need to apply contextual action on a specific list of machines. NOTE The device tag is part of the machine information report that’s generated once a day. As an alternative, you may choose to restart the endpoint that would transfer a new machine information report.

Add machine tags using the portal Dynamic context capturing is achieved using tags. After adding tags on machines, you can apply the Tags filter on the Machines list to get a narrowed list of machines with the tag. Select the machine that you want to manage tags on. You can select or search for a machine from any of the following views: Security operations dashboard – Select the machine name from the Top machines with active alerts section.

Alerts queue – Select the machine name beside the machine icon from the alerts queue. Machines list – Select the machine name from the list of machines.

Search box – Select Machine from the drop-down menu and enter the machine name. You can also get to the alert page through the file and IP views. Open the Actions menu and select Manage tags. Enter tags on the machine. Click Save and close. Tags are added to the machine view and will also be reflected on the Machines list view.

You can then use the Tags filter to see the relevant list of machines. Manage machine tags You can manage tags from the Actions button or by selecting a machine from the Machines list and opening the machine details panel. You can also choose to highlight an alert from the Alerts related to this machine or from the Machine timeline section to see the correlation between the alert and its related events on the machine by right- clicking on the alert and selecting Select and mark events.

By default, the machine timeline is set to display the events of the current day. Click on the circle next to any process or IP address in the process tree to investigate additional details of the identified processes. You can take response actions on machines and files to quickly respond to detected attacks so that you can contain or reduce and prevent further damage caused by malicious attackers in your organization.

Take response actions on a machine Isolate machines or collect an investigation package. Take response actions on a file Stop and quarantine files or block a file from your network. Quickly respond to detected attacks by isolating machines or collecting an investigation package. After taking action on machines, you can check activity details on the Action center. For non-Windows platforms, response capabilities such as Machine isolation are dependent on the third-party capabilities.

Collect investigation package from machines As part of the investigation or response process, you can collect an investigation package from a machine. By collecting the investigation package, you can identify the current state of the machine and further understand the tools and techniques used by the attacker. You can download the package Zip file and investigate the events that occurred on a machine.

The package contains the following folders:. Installed programs This. CSV file contains the list of installed programs that can help identify what is currently installed on the machine. Provides the ability to look for suspicious connectivity made by a process.

ARP cache can reveal additional hosts on a network that have been compromised or suspicious systems on the network that night have been used to run an internal attack. This can help in identifying suspicious connections. Adapters can represent physical interfaces, such as installed network adapters, or logical interfaces, such as dial-up connections. Prefetch files Windows Prefetch files are designed to speed up the application startup process.

It can be used to track all the files recently used in the system and find traces for applications that might have been deleted but can still be found in the prefetch file list. NOTE: It is suggested to download a prefetch file viewer to view the prefetch files. Processes Contains a. CSV file listing the running processes which provides the ability to identify current processes running on the machine. This can be useful when identifying a suspicious process and its state.

Scheduled tasks Contains a. CSV file listing the scheduled tasks which can be used to identify routines performed automatically on a chosen machine to look for suspicious code which was set to run automatically. Security event log Contains the security event log which contains records of login or logout activity, or other security-related events specified by the system’s audit policy. Services Contains the services. Windows Server Message Block SMB sessions Lists shared access to files, printers, and serial ports and miscellaneous communications between nodes on a network.

This can help identify data exfiltration or lateral movement. This can help to track suspicious files that an attacker may have dropped on the system. Users and Groups Provides a list of files that each represent a group and its members.

You can use this report to track if the package includes all the expected data and identify if there were any errors. Select the machine that you want to investigate. Machines list – Select the heading of the machine name from the machines list. Open the Actions menu and select Collect investigation package.

Type a comment and select Yes, collect package to take action on the machine. Submission time – Shows when the action was submitted. Status – Indicates if the package was successfully collected from the network. When the collection is complete, you can download the package. Select Package available to download the package. When the package is available a new event will be added to the machine timeline.

You can download the package from the machine page, or the Action center. You can also search for historical packages in the machine timeline. Run Windows Defender Antivirus scan on machines As part of the investigation or response process, you can remotely initiate an antivirus scan to help identify and remediate malware that might be present on a compromised machine.

Windows Defender AV can be in Passive mode. For more information, see Windows Defender Antivirus compatibility. Select the machine that you want to run the scan on. Open the Actions menu and select Run antivirus scan. Select the scan type that you’d like to run. You can choose between a quick or a full scan. Type a comment and select Yes, run scan to start the scan. The Action center shows the scan information:. Status – Indicates any pending actions or the results of completed actions.

The machine timeline will include a new event, reflecting that a scan action was submitted on the machine. Windows Defender AV alerts will reflect any detections that surfaced during the scan. This feature is available if your organization uses Windows Defender Antivirus. This action needs to meet the Windows Defender Application Control code integrity policy formats and signing requirements.

For more information, see Code integrity policy formats and signing. The action to restrict an application from running applies a code integrity policy that only allows running of files that are signed by a Microsoft issued certificate. This method of restriction can help prevent an attacker from controlling compromised machines and performing further malicious activities. Select the machine where you’d like to restrict an application from running from. Open the Actions menu and select Restrict app execution.

Type a comment and select Yes, restict app execution to take action on the file. The Action center shows the submission information:. When the application execution restriction configuration is applied, a new event is reflected in the machine timeline. Remove app restriction Depending on the severity of the attack and the state of the machine, you can choose to reverse the restriction of applications policy after you have verified that the compromised machine has been remediated.

Select the machine where you restricted an application from running from. Open the Actions menu and select Remove app restrictions.

Type a comment and select Yes, remove restriction to take action on the application. The machine application restriction will no longer apply on the machine. Isolate machines from the network Depending on the severity of the attack and the sensitivity of the machine, you might want to isolate the machine from the network. This action can help prevent the attacker from controlling the compromised machine and performing further activities such as data exfiltration and lateral movement.

Selective isolation is available for machines on Windows 10, version or later. This machine isolation feature disconnects the compromised machine from the network while retaining connectivity to the Windows Defender ATP service, which continues to monitor the machine.

On Windows 10, version or later, you’ll have additional control over the network isolation level. You can also choose to enable Outlook and Skype for Business connectivity a. Select the machine that you want to isolate.

Open the Actions menu and select Isolate machine. Select the check-box if you’d like to enable Outlook and Skype communication while the machine is isolated a. Type a comment and select Yes, isolate machine to take action on the machine. If you’ve chosen to enable Outlook and Skype for Business communication, then you’ll be able to communicate to the user while the machine is isolated.

Additional indications will be provided if you’ve enabled Outlook and Skype for Business communication. When the isolation configuration is applied, a new event is reflected in the machine timeline. Notification on machine user: When a machine is being isolated, the following notification is displayed to inform the user that the machine is being isolated from the network:. Release machine from isolation Depending on the severity of the attack and the state of the machine you can choose to release the machine from isolation after you have verified that the compromised machine has been remediated.

Select a machine that was previously isolated. Open the Actions menu and select Release from isolation. Type a comment and select Yes, release machine to take action on the machine. The machine will be reconnected to the network. Check activity details in Action center The Action center provides information on actions that were taken on a machine or file.

Adapters can represent physical interfaces, such as installed network adapters, or logical interfaces, such as dial- up connections.

Restrict app execution In addition to the ability of containing an attack by stopping malicious processes, you can also lock down a device and prevent subsequent attempts of potentially malicious programs from running. Notification on machine user: When an app is restricted, the following notification is displayed to inform the user that an app is being restricted from running:.

Quickly respond to detected attacks by stopping and quarantining files or blocking a file. After taking action on files, you can check activity details on the Action center. You can also submit files for deep analysis to run the file in a secure cloud sandbox. When the analysis is complete, you’ll get a detailed report that provides information about the behavior of the file.

Stop and quarantine files in your network You can contain an attack in your organization by stopping the malicious process and quarantine the file where it was observed. The Stop and Quarantine File action includes stopping running processes, quarantining the files, and deleting persistency such as registry keys. The action takes effect on machines with Windows 10, version or later, where the file was observed in the last 30 days.

Stop and quarantine files 1. Select the file you want to stop and quarantine. You can select a file from any of the following views or use the Search box: Alerts – click the corresponding links from the Description or Details in the Artifact timeline Search box – select File from the drop—down menu and enter the file name 2.

Open the Actions menu and select Stop and Quarantine File. Specify a reason, then click Yes, stop and quarantine. Success – Shows the number of machines where the file has been stopped and quarantined. Failed – Shows the number of machines where the action failed and details about the failure.

Pending – Shows the number of machines where the file is yet to be stopped and quarantined from. This can take time for cases when the machine is offline or not connected to the network. Select any of the status indicators to view more information about the action. For example, select Failed to see where the action failed. Notification on machine user: When the file is being removed from a machine, the following notification is shown:. In the machine timeline, a new event is added for each machine where a file was stopped and quarantined.

IMPORTANT The Action button is turned off for files signed by Microsoft as well as trusted third—party publishers to prevent the removal of critical system files and files used by important applications. For prevalent files in the organization, a warning is shown before an action is implemented to validate that the operation is intended. Run the following command on each machine where the file was quarantined.

Open an elevated command—line prompt on the machine: a. Go to Start and type cmd. Right—click Command prompt and select Run as administrator.

Enter the following command, and press Enter:. Block files in your network You can prevent further propagation of an attack in your organization by banning potentially malicious files or suspected malware. If you know a potentially malicious portable executable PE file, you can block it. This operation will prevent it from being read, written, or executed on machines in your organization. For more information, see Manage cloud—based protection.

The Antimalware client version must be 4. This feature is designed to prevent suspected malware or potentially malicious files from being downloaded from the web. It currently supports portable executable PE files, including.

The coverage will be extended over time. This response action is available for machines on Windows 10, version or later. The allow or block function cannot be done on files if the file’s classification exists on the device’s cache prior to the allow or block action. There may be a couple of minutes of latency between the time the action is taken and the actual file being blocked. Enable the block file feature Before you can block files, you’ll need to enable the feature.

Toggle the setting between On and Off and select Save preferences. Block a file 1. Select the file you want to block. Open the Actions menu and select Block. Specify a reason and select Yes, block file to take action on the file. Submitting user – Shows who submitted the action on the file. You can view the comments provided by the user by selecting the information icon. Status – Indicates whether the file was added to or removed from the blacklist. When the file is blocked, there will be a new event in the machine timeline.

NOTE -If a file was scanned before the action was taken, it may take longer to be effective on the device. Notification on machine user: When a file is being blocked on the machine, the following notification is displayed to inform the user that the file was blocked:. NOTE The Action button is turned off for files signed by Microsoft to prevent negative impact on machines in your organization caused by the removal of files that might be related to the operating system.

Remove file from blocked list 1. Select the file you want to remove from the blocked list. You can select a file from any of the following views or use the Search box: Alerts – Click the file links from the Description or Details in the Artifact timeline Search box – Select File from the drop—down menu and enter the file name 2. Open the Actions menu and select Remove file from blocked list.

Type a comment and select Yes to take action on the file. The file will be allowed to run in the organization. Deep analysis Cyber security investigations are typically triggered by an alert. Alerts are related to one or more observed files that are often new or unknown. Clicking a file takes you to the file view where you can see the file’s metadata. To enrich the data related to the file, you can submit the file for deep analysis.

The deep analysis feature executes a file in a secure, fully instrumented cloud environment. Deep analysis results show the file’s activities, observed behaviors, and associated artifacts, such as dropped files, registry modifications, and communication with IPs.

Deep analysis of a file takes several minutes. When the file analysis is complete, results are made available in the File view page, under a new Deep analysis summary section. The summary includes a list of observed behaviors, some of which can indicate malicious activity, and observables, including contacted IPs and files created on the disk.

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You can also click Machines list at the top of the tile to go directly to the Machines list, sorted by the number of active alerts. Change the status of an alert You can здесь alerts as New, In Progress, or Resolved by changing their status as your investigation progresses.❿
 
 

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All Rights Reserved. Please Login to Share Link Close. Select the stars below to rate your experience on Help Central. Submit Cancel. For example, this approach makes the isolated container anonymous, so an attacker can’t get to your employee’s enterprise credentials.

What types of devices should use Application Guard? Application Guard has been created to target several types of systems: Enterprise desktops. These desktops are domain-joined and managed by your organization. Employees typically have Standard User privileges and use a high-bandwidth, wired, corporate network.

Enterprise mobile laptops. These laptops are domain-joined and managed by your organization. Employees typically have Standard User privileges and use a high-bandwidth, wireless, corporate network. Bring your own device BYOD mobile laptops. These personally-owned laptops are not domain- joined, but are managed by your organization through tools like Microsoft Intune.

The employee is typically an admin on the device and uses a high-bandwidth wireless corporate network while at work and a comparable personal network while at home.

Personal devices. These personally-owned desktops or mobile laptops are not domain-joined or managed by an organization. The user is an admin on the device and uses a high-bandwidth wireless personal network while at home or a comparable public network while outside.

Q: Can employees download documents from the Application Guard Edge session onto host devices? A: In Windows 10 Enterprise edition , users will be able to download documents from the isolated Application Guard container to the host PC.

This is managed by policy. In Windows 10 Enterprise edition or Windows 10 Professional edition , it is not possible to download files from the isolated Application Guard container to the host PC.

Q: Can employees copy and paste between the host device and the Application Guard Edge session? A: Depending on your organization’s settings, employees can copy and paste images. A: To help keep the Application Guard Edge session secure and isolated from the host device, we don’t copy the Favorites stored in the Application Guard Edge session back to the host device.

However, we’re closely monitoring your feedback about this. This applies to Windows 10 Enterprise edition, or higher. Q: I enabled the hardware acceleration policy on my Windows 10 Enterprise, version deployment. Why are my users still only getting CPU rendering? A: This feature is currently experimental-only and is not functional without an additional regkey provided by Microsoft. This account remains disabled until Application Guard is enabled on your device.

System requirements for Windows Defender Application Specifies the pre-requisites necessary to install and use Guard Application Guard. Prepare and install Windows Defender Application Guard Provides instructions about determining which mode to use, either Standalone or Enterprise-managed, and how to install Application Guard in your organization.

Testing scenarios using Windows Defender Application Guard Provides a list of suggested testing scenarios that you can use in your business or organization to test Windows Defender Application Guard Application Guard in your organization.

While hackers are busy developing new techniques to breach enterprise networks by compromising workstations, phishing schemes remain one of the top ways to lure employees into social engineering attacks. Windows Defender Application Guard is designed to help prevent old, and newly emerging attacks, to help keep employees productive. Hardware requirements Your environment needs the following hardware to run Windows Defender Application Guard.

For more info about hypervisor, see Hypervisor Specifications. One of the following virtualization extensions for VBS:. Software requirements Your environment needs the following software to run Windows Defender Application Guard. Operating system Windows 10 Enterprise edition, version or higher Windows 10 Professional edition, version or higher Windows 10 Professional for Workstations edition, version or higher Windows 10 Professional Education edition version or higher Windows 10 Education edition, version or higher.

Management system Microsoft Intune only for managed devices -OR-. Your current company-wide 3rd party mobile device management MDM solution. For info about 3rd party MDM solutions, see the documentation that came with your product. In order to protect critical resources such as the Windows authentication stack, single sign-on tokens, the Windows Hello biometric stack, and the Virtual Trusted Platform Module, a system’s firmware and hardware must be trustworthy.

Windows Defender System Guard reorganizes the existing Windows 10 system integrity features under one roof and sets up the next set of investments in Windows security. It’s designed to make these security guarantees: Protect and maintain the integrity of the system as it starts up Validate that system integrity has truly been maintained through local and remote attestation. Maintaining the integrity of the system as it starts Static Root of Trust for Measurement SRTM With Windows 7, one of the means attackers would use to persist and evade detection was to install what is often referred to as a bootkit or rootkit on the system.

This malicious software would start before Windows started, or during the boot process itself, enabling it to start with the highest level of privilege. With Windows 10 running on modern hardware that is, Windows 8-certified or greater a hardware-based root of trust helps ensure that no unauthorized firmware or software such as a bootkit can start before the Windows bootloader.

Two techniques exist to establish trust here—either maintain a list of known ‘bad’ SRTM measurements also known as a blacklist , or a list of known ‘good’ SRTM measurements also known as a whitelist.

Each option has a drawback: A list of known ‘bad’ SRTM measurements allows a hacker to change just 1 bit in a component to create an entirely new SRTM hash that needs to be listed. This means that the SRTM flow is inherently brittle – a minor change can invalidate the entire chain of trust. In addition, a bug fix for UEFI code can take a long time to design, build, retest, validate, and redeploy. DRTM lets the system freely boot into untrusted code initially, but shortly after launches the system into a trusted state by taking control of all CPUs and forcing them down a well-known and measured code path.

This has the benefit of allowing untrusted early UEFI code to boot the system, but then being able to securely transition into a trusted and measured state.

Secure Launch simplifies management of SRTM measurements because the launch code is now unrelated to a specific hardware configuration. This means the number of valid code measurements is small, and future updates can be deployed more widely and quickly. SMM code executes in the highest privilege level and is invisible to the OS, which makes it an attractive target for malicious activity.

Even if System Guard Secure Launch is used to late launch, SMM code can potentially access hypervisor memory and change the hypervisor. To defend against this, two techniques are used: 1. Paging protection to prevent inappropriate access to code and data 2. SMM hardware supervision and attestation Paging protection can be implemented to lock certain code tables to be read-only to prevent tampering.

This prevents access to any memory that has not been specifically assigned. A hardware-enforced processor feature known as a supervisor SMI handler can monitor the SMM and make sure it does not access any part of the address space that it is not supposed to.

SMM protection is built on top of the Secure Launch technology and requires it to function. Validating platform integrity after Windows is running run time While Windows Defender System Guard provides advanced protection that will help protect and maintain the integrity of the platform during boot and at run time, the reality is that we must apply an “assume breach” mentality to even our most sophisticated security technologies.

We should be able to trust that the technologies are successfully doing their jobs, but we also need the ability to verify that they were successful in achieving their goals. Upon request, a management system like Intune or System Center Configuration Manager can acquire them for remote analysis. If Windows Defender System Guard indicates that the device lacks integrity, the management system can take a series of actions, such as denying the device access to resources.

Applies to: Windows 10 Windows Server Windows Server With thousands of new malicious files created every day, using traditional methods like antivirus solutions— signature-based detection to fight against malware—provides an inadequate defense against new attacks. In most organizations, information is the most valuable asset, and ensuring that only approved users have access to that information is imperative. However, when a user runs a process, that process has the same level of access to data that the user has.

As a result, sensitive information could easily be deleted or transmitted out of the organization if a user knowingly or unknowingly runs malicious software. Specifically, application control moves away from the traditional application trust model where all applications are assumed trustworthy by default to one where applications must earn trust in order to run.

Many organizations, like the Australian Signals Directorate, understand this and frequently cite application control as one of the most effective means for addressing the threat of executable file-based malware. Windows Defender Application Control WDAC can help mitigate these types of security threats by restricting the applications that users are allowed to run and the code that runs in the System Core kernel. Beginning with Windows 10, version , you can use WDAC not only to control applications, but also to control whether specific plug-ins, add-ins, and modules can run from specific apps such as a line-of-business application or a browser.

For more information, see Use a Windows Defender Application Control policy to control specific plug-ins, add-ins, and modules. It is part of Windows Defender Exploit Guard. Exploit protection is supported beginning with Windows 10, version and Windows Server , version Exploit protection works best with Windows Defender Advanced Threat Protection – which gives you detailed reporting into exploit protection events and blocks as part of the usual alert investigation scenarios. You can enable exploit protection on an individual machine, and then use Group Policy to distribute the XML file to multiple devices at once.

When a mitigation is encountered on the machine, a notification will be displayed from the Action Center.

You can customize the notification with your company details and contact information. You can also enable the rules individually to customize what techniques the feature monitors. You can also use audit mode to evaluate how exploit protection would impact your organization if it were enabled.

You can convert an existing EMET configuration file into exploit protection to make the migration easier and keep your existing settings. You should test exploit protection in all target use scenarios by using audit mode before deploying the configuration across a production environment or the rest of your network. Win32K Untrusted Font. Windows versions All versions of Windows 10 starting Windows 8. Installation requirements Windows Security in Windows 10 Available only as an additional no additional installation required download and must be installed onto a Windows Defender Exploit Guard is management device built into Windows – it doesn’t require a separate tool or package for management, configuration, or deployment.

User interface Modern interface integrated with the Older, complex interface that requires Windows Security app considerable ramp-up training. Supportability Dedicated submission-based support Ends after July 31, channel[1] Part of the Windows 10 support lifecycle.

Updates Ongoing updates and development of No planned updates or development new features, released twice yearly as part of the Windows 10 semi-annual update channel. Attack surface reduction[2] Helps block known infection vectors Limited ruleset configuration only for Can configure individual rules modules no processes.

Network protection[2] Helps block malicious network Not available connections. Controlled folder access[2] Helps protect important folders Not available Configurable for apps and folders. Microsoft Intune Use Intune to customize, deploy, and Not available manage configurations.

See Windows Defender Exploit Guard requirements for more details. Customizable mitigation options that are configured with exploit protection do not require Windows Defender Antivirus. The table in this section indicates the availability and support of native mitigations between EMET and exploit protection. Block remote images As “Load Library Check”.

Certificate trust configurable certificate Windows 10 provides enterprise pinning certificate pinning. Heap spray allocation Ineffective against newer browser- based exploits; newer mitigations provide better protection See Mitigate threats by using Windows 10 security features for more information. See the Mitigation threats by using Windows 10 security features for more information on how Windows 10 employs existing EMET technology. It prevents employees from using any application to access dangerous domains that may host phishing scams, exploits, and other malicious content on the Internet.

It expands the scope of Windows Defender SmartScreen to block all outbound HTTP s traffic that attempts to connect to low -reputation sources based on the domain or hostname. Network protection is supported beginning with Windows 10, version Network protection works best with Windows Defender Advanced Threat Protection, which gives you detailed reporting into Windows Defender EG events and blocks as part of the usual alert investigation scenarios.

When network protection blocks a connection, a notification will be displayed from the Action Center. You can also use audit mode to evaluate how Network protection would impact your organization if it were enabled. Windows 10 version or later Windows Defender AV real-time protection and cloud- delivered protection must be enabled.

If you’re using audit mode, you can use Advanced hunting to see how network protection settings would affect your environment if they were enabled.

Copy the XML directly. Click OK. This will create a custom view that filters to only show the following events related to network protection:. Evaluate network protection Undertake a quick scenario that demonstrate how the feature works, and what events would typically be created. Controlled folder access is supported on Windows Server as well as Windows 10 clients.

Controlled folder access works best with Windows Defender Advanced Threat Protection, which gives you detailed reporting into controlled folder access events and blocks as part of the usual alert investigation scenarios.

All apps any executable file, including. If the app is determined to be malicious or suspicious, then it will not be allowed to make changes to any files in any protected folder. This is especially useful in helping to protect your documents and information from ransomware that can attempt to encrypt your files and hold them hostage. A notification will appear on the computer where the app attempted to make changes to a protected folder.

The protected folders include common system folders, and you can add additional folders. You can also allow or whitelist apps to give them access to the protected folders. You can use audit mode to evaluate how controlled folder access would impact your organization if it were enabled.

You can also visit the Windows Defender Testground website at demo. Controlled folder access is supported on Windows 10, version and later and Windows Server Requirements Controlled folder access requires enabling Windows Defender Antivirus real-time protection. If you’re using audit mode, you can use Advanced hunting to see how controlled folder access settings would affect your environment if they were enabled.

Download the Exploit Guard Evaluation Package and extract the file cfa -events. On the left panel, under Actions, click Import custom view Navigate to where you extracted cfa -events. Alternatively, copy the XML directly. This will create a custom view that filters to only show the following events related to controlled folder access:. Evaluate controlled folder access Use a dedicated demo tool to see how controlled folder access works, and what events would typically be created.

Customize controlled folder access Add additional protected folders, and allow specified apps to access protected folders. You can set attack surface reduction rules for computers running Windows 10, version or later, Windows Server or later, or Windows Server To use attack surface reduction rules, you need a Windows 10 Enterprise E3 license or higher. A Windows E5 license gives you the advanced management capabilities to power them. These include monitoring, analytics, and workflows available in Windows Defender Advanced Threat Protection, as well as reporting and configuration capabilities in the M Security Center.

These advanced capabilities aren’t available with an E3 license, but you can use attack surface reduction rule events in Event Viewer to help facilitate deployment. Attack surface reduction rules target behaviors that malware and malicious apps typically use to infect computers, including: Executable files and scripts used in Office apps or web mail that attempt to download or run files Obfuscated or otherwise suspicious scripts Behaviors that apps don’t usually initiate during normal day-to-day work You can use audit mode to evaluate how attack surface reduction rules would impact your organization if they were enabled.

It’s best to run all rules in audit mode first so you can understand their impact on your line-of- business applications. Many line-of-business applications are written with limited security concerns, and they may perform tasks similar to malware.

By monitoring audit data and adding exclusions for necessary applications, you can deploy attack surface reduction rules without impacting productivity.

Triggered rules display a notification on the device. The notification also displays in the Windows Defender Security Center and in the Microsoft securty center.

For information about configuring attack surface reduction rules, see Enable attack surface reduction rules. Review attack surface reduction events in Windows Event Viewer You can review the Windows event log to view events that are created when attack surface reduction rules fire: 1. Click Import custom view Select the file cfa -events.

Attack surface reduction rules The following sections describe each of the 15 attack surface reduction rules. Block executable files from running cda-b99e- Supported unless they meet a prevalence, age, or 2ecdc07bfc25 trusted list criterion. Use advanced protection against c1db55ab-c21abb3f- Supported ransomware ad Block credential stealing from the 9e6c4e1f-7df-ba1a- Supported Windows local security authority a39efe4b2 subsystem lsass. Block Office communication application eb Supported from creating child processes eb1d0a1ce Block Adobe Reader from creating child baeb-4a4f-a9a1- Supported processes f0f9aa2c.

Each rule description indicates which apps or file types the rule applies to. Except where specified, attack surface reduction rules don’t apply to any other Office apps.

Block executable content from email client and webmail This rule blocks the following file types from launching from email in Microsoft Outlook or Outlook.

This is a typical malware behavior, especially malware that abuses Office as a vector, using VBA macros and exploit code to download and attempt to run additional payload. Some legitimate line-of-business applications might also use behaviors like this, including spawning a command prompt or using PowerShell to configure registry settings.

This rule targets a typical behavior where malware uses Office as a vector to break out of Office and save malicious components to disk, where they persist and survive a computer reboot.

This rule prevents malicious code from being written to disk. This rule blocks code injection attempts from Office apps into other processes. There are no known legitimate business purposes for using code injection. This rule applies to Word, Excel, and PowerPoint. Malware written in JavaScript or VBS often acts as a downloader to fetch and launch additional native payload from the Internet.

This rule prevents scripts from launching downloaded content, helping to prevent malicious use of the scripts to spread malware and infect machines. This isn’t a common line-of-business use, but line-of- business applications sometimes use scripts to download and launch installers. You can exclude scripts so they’re allowed to run. This rule detects suspicious properties within an obfuscated script.

Most organizations don’t use this functionality, but might still rely on using other macro capabilities. NOTE You must enable cloud-delivered protection to use this rule. It uses cloud-delivered protection to update its trusted list regularly.

You can specify individual files or folders using folder paths or fully qualified resource names but you can’t specify which rules or exclusions apply to. Intune name: Executables that don’t meet a prevalence, age, or trusted list criteria. SCCM name: Block executable files from running unless they meet a prevalence, age, or trusted list criteria GUID: cda-b99e-2ecdc07bfc25 Use advanced protection against ransomware This rule provides an extra layer of protection against ransomware.

It scans executable files entering the system to determine whether they’re trustworthy. If the files closely resemble ransomware, this rule blocks them from running, unless they’re in a trusted list or exclusion list.

Intune name: Advanced ransomware protection SCCM name: Use advanced protection against ransomware GUID: c1db55ab-c21abb3f-ad35 Block credential stealing from the Windows local security authority subsystem lsass.

However, some organizations can’t enable Credential Guard on all of their computers because of compatibility issues with custom smartcard drivers or other programs that load into the Local Security Authority LSA. NOTE In some apps, the code enumerates all running processes and attempts to open them with exhaustive permissions.

This rule denies the app’s process open action and logs the details to the security event log. This rule can generate a lot of noise. By itself, this event log entry doesn’t necessarily indicate a malicious threat. Blocked file types include: Executable files such as. It protects against social engineering attacks and prevents exploit code from abusing a vulnerability in Outlook.

To achieve this, the rule prevents the launch of additional payload while still allowing legitimate Outlook functions. It also protects against Outlook rules and forms exploits that attackers can use when a user’s credentials are compromised.

Intune name: Process creation from Office communication products beta SCCM name: Not yet available GUID: ebeb1d0a1ce Block Adobe Reader from creating child processes Through social engineering or exploits, malware can download and launch additional payloads and break out of Adobe Reader.

This rule prevents attacks like this by blocking Adobe Reader from creating additional processes. Feature description Windows Defender Firewall with Advanced Security is an important part of a layered security model. By providing host-based, two-way network traffic filtering for a device, Windows Defender Firewall blocks unauthorized network traffic flowing into or out of the local device.

Windows Defender Firewall also works with Network Awareness so that it can apply security settings appropriate to the types of networks to which the device is connected. Practical applications To help address your organizational network security challenges, Windows Defender Firewall offers the following benefits: Reduces the risk of network security threats. Windows Defender Firewall reduces the attack surface of a device, providing an additional layer to the defense-in-depth model.

Reducing the attack surface of a device increases manageability and decreases the likelihood of a successful attack. Safeguards sensitive data and intellectual property.

With its integration with IPsec, Windows Defender Firewall provides a simple way to enforce authenticated, end-to-end network communications. It provides scalable, tiered access to trusted network resources, helping to enforce integrity of the data, and optionally helping to protect the confidentiality of the data. Extends the value of existing investments. Because Windows Defender Firewall is a host-based firewall that is included with the operating system, there is no additional hardware or software required.

Windows Defender Firewall is also designed to complement existing non-Microsoft network security solutions through a documented application programming interface API. Windows Defender Antivirus includes: Cloud-delivered protection for near-instant detection and blocking of new and emerging threats. Along with machine learning and the Intelligent Security Graph, cloud-delivered protection is part of the next- gen technologies that power Windows Defender Antivirus. What’s new in Windows 10, version The block at first sight feature can now block non-portable executable files such as JS, VBS, or macros as well as executable files.

It includes controlled folder access settings and ransomware recovery settings. For more information, see: Minimum hardware requirements Hardware component guidelines Functionality, configuration, and management is largely the same when using Windows Defender AV on Windows Server ; however, there are some differences. Security analysts can prioritize alerts effectively, gain visibility into the full scope of a breach, and take response actions to remediate threats.

When a threat is detected, alerts are created in the system for an analyst to investigate. Alerts with the same attack techniques or attributed to the same attacker are aggregated into an entity called an incident. Aggregating alerts in this manner makes it easy for analysts to collectively investigate and respond to threats. Inspired by the “assume breach” mindset, Windows Defender ATP continuously collects behavioral cyber telemetry.

This includes process information, network activities, deep optics into the kernel and memory manager, user login activities, registry and file system changes, and others. The information is stored for six months, enabling an analyst to travel back in time to the start of an attack. The analyst can then pivot in various views and approach an investigation through multiple vectors.

The response capabilities give you the power to promptly remediate threats by acting on the affected entities. Security operations dashboard Explore a high level overview of detections, highlighting where response actions are needed. Incidents queue View and organize the incidents queue, and manage and investigate alerts. Alerts queue View and organize the machine alerts queue, and manage and investigate alerts.

Machines list Investigate machines with generated alerts and search for specific events over time. Take response actions Learn about the available response actions and apply them to machines and files. The Security operations dashboard is where the endpoint detection and response capabilities are surfaced. It provides a high level overview of where detections were seen and highlights where response actions are needed.

From the Security operations dashboard you will see aggregated events to facilitate the identification of significant events or behaviors on a machine. You can also drill down into granular events and low -level indicators. It also has clickable tiles that give visual cues on the overall health state of your organization. Each tile opens a detailed view of the corresponding overview. Active alerts You can view the overall number of active alerts from the last 30 days in your network from the tile.

Alerts are grouped into New and In progress. Each group is further sub-categorized into their corresponding alert severity levels. Click the number of alerts inside each alert ring to see a sorted view of that category’s queue New or In progress.

For more information see, Alerts overview. Each row includes an alert severity category and a short description of the alert.

You can click an alert to see its detailed view. Machines at risk This tile shows you a list of machines with the highest number of active alerts. The total number of alerts for each machine is shown in a circle next to the machine name, and then further categorized by severity levels at the far end of the tile hover over each severity bar to see its label. Click the name of the machine to see details about that machine. You can also click Machines list at the top of the tile to go directly to the Machines list, sorted by the number of active alerts.

It reports how many machines require attention and helps you identify problematic machines. There are two status indicators that provide information on the number of machines that are not reporting properly to the service: Misconfigured — These machines might partially be reporting sensor data to the Windows Defender ATP service and might have configuration errors that need to be corrected.

Inactive – Machines that have stopped reporting to the Windows Defender ATP service for more than seven days in the past month. For more information, see Check sensor state and Investigate machines. Service health The Service health tile informs you if the service is active or if there are issues. Daily machines reporting The Daily machines reporting tile shows a bar graph that represents the number of machines reporting daily in the last 30 days.

Hover over individual bars on the graph to see the exact number of machines reporting in each day. Active automated investigations You can view the overall number of automated investigations from the last 30 days in your network from the Active automated investigations tile. Investigations are grouped into Pending action, Waiting for machine, and Running. Automated investigations statistics This tile shows statistics related to automated investigations in the last 30 days.

It shows the number of investigations completed, the number of successfully remediated investigations, the average pending time it takes for an investigation to be initiated, the average time it takes to remediate an alert, the number of alerts investigated, and the number of hours of automation saved from a typical manual investigation. You can click on Automated investigations, Remidated investigations, and Alerts investigated to navigate to the Investigations page, filtered by the appropriate category.

This lets you see a detailed breakdown of investigations in context. Users at risk The tile shows you a list of user accounts with the most active alerts and the number of alerts seen on high, medium, or low alerts. Click the user account to see details about the user account. For more information see Investigate a user account. Suspicious activities This tile shows audit events based on detections from various security components.

Windows Defender ATP applies correlation analytics and aggregates all related alerts and investigations into an incident. Doing so helps narrate a broader story of an attack, thus providing you with the right visuals upgraded incident graph and data representations to understand and deal with complex cross-entity threats to your organization’s network.

View and organize the Incidents queue See the list of incidents and learn how to apply filters to limit the list and get a more focused view.

Manage incidents Learn how to manage incidents by assigning it, updating its status, or setting its classification and other actions. Investigate incidents See associated alerts, manage the incident, see alert metadata, and visualizations to help you investigate an incident. It helps you sort through incidents to prioritize and create an informed cybersecurity response decision.

By default, the queue displays incidents seen in the last 30 days, with the most recent incident showing at the top of the list, helping you see the most recent incidents first. There are several options you can choose from to customize the Incidents queue view. On the top navigation you can: Customize columns to add or remove columns Modify the number of items to view per page Select the items to show per page Batch-select the incidents to assign Navigate between pages Apply filters.

Sort and filter the incidents queue You can apply the following filters to limit the list of incidents and get a more focused view. These incidents indicate a high risk due to the severity of damage they can inflict on machines. Medium Threats rarely observed in the organization, such as Orange anomalous registry change, execution of suspicious files, and observed behaviors typical of attack stages.

Low Threats associated with prevalent malware and hack-tools Yellow that do not necessarily indicate an advanced threat targeting the organization. Informational Informational incidents are those that might not be Grey considered harmful to the network but might be good to keep track of.

Category Incidents are categorized based on the description of the stage by which the cybersecurity kill chain is in.

This view helps the threat analyst to determine priority, urgency, and corresponding response strategy to deploy based on context. Alerts Indicates the number of alerts associated with or part of the incidents. Machines You can limit to show only the machines at risk which are associated with incidents.

Users You can limit to show only the users of the machines at risk which are associated with incidents. Assigned to You can choose to show between unassigned incidents or those which are assigned to you. Status You can choose to limit the list of incidents shown based on their status to see which ones are active or resolved Classification Use this filter to choose between focusing on incidents flagged as true or false incidents.

You can manage incidents by selecting an incident from the Incidents queue or the Incidents management pane. You can assign incidents to yourself, change the status, classify, rename, or comment on them to keep track of their progress. Selecting an incident from the Incidents queue brings up the Incident management pane where you can open the incident page for details.

Assign incidents If an incident has not been assigned yet, you can select Assign to me to assign the incident to yourself. Doing so assumes ownership of not just the incident, but also all the alerts associated with it. Change the incident status You can categorize incidents as Active, or Resolved by changing their status as your investigation progresses. This helps you organize and manage how your team can respond to incidents. For example, your SoC analyst can review the urgent Active incidents for the day, and decide to assign them to himself for investigation.

Alternatively, your SoC analyst might set the incident as Resolved if the incident has been remediated. Classify the incident You can choose not to set a classification, or decide to specify whether an incident is true or false.

Doing so helps the team see patterns and learn from them. Rename incident By default, incidents are assigned with numbers. You can rename the incident if your organization uses a naming convention for easier cybersecurity threat identification. Add comments and view the history of an incident You can add comments and view historical events about an incident to see previous changes made to it. Whenever a change or comment is made to an alert, it is recorded in the Comments and history section.

Added comments instantly appear on the pane. Analyze incident details Click an incident to see the Incident pane. Select Open incident page to see the incident details and related information alerts, machines, investigations, evidence, graph. Alerts You can investigate the alerts and see how they were linked together in an incident.

For more information, see Investigate alerts. Machines You can also investigate the machines that are part of, or related to, a given incident. For more information, see Investigate machines. Going through the evidence Windows Defender Advanced Threat Protection automatically investigates all the incidents’ supported events and suspicious entities in the alerts, providing you with auto-response and information about the important files, processes, services, and more.

This helps quickly detect and block potential threats in the incident. Each of the analyzed entities will be marked as infected, remediated, or suspicious. Visualizing associated cybersecurity threats Windows Defender Advanced Threat Protection aggregates the threat information into an incident so you can see the patterns and correlations coming in from various data points.

You can view such correlation through the incident graph. Incident graph The Graph tells the story of the cybersecurity attack. For example, it shows you what was the entry point, which indicator of compromise or activity was observed on which machine. The Alerts queue shows a list of alerts that were flagged from machines in your network.

By default, the queue displays alerts seen in the last 30 days in a grouped view, with the most recent alerts showing at the top of the list, helping you see the most recent alerts first. There are several options you can choose from to customize the alerts queue view. On the top navigation you can: Select grouped view or list view Customize columns to add or remove columns Select the items to show per page Navigate between pages Apply filters. Sort, filter, and group the alerts queue You can apply the following filters to limit the list of alerts and get a more focused view the alerts.

These alerts indicate a high risk due to the severity of damage they can inflict on machines. Informational Informational alerts are those that might not be considered Grey harmful to the network but might be good to keep track of.

The Windows Defender AV threat severity represents the absolute severity of the detected threat malware , and is assigned based on the potential risk to the individual machine, if infected.

The Windows Defender ATP alert severity represents the severity of the detected behavior, the actual risk to the machine but more importantly the potential risk to the organization. So, for example: The severity of a Windows Defender ATP alert about a Windows Defender AV detected threat that was completely prevented and did not infect the machine is categorized as “Informational” because there was no actual damage incurred. An alert about a commercial malware was detected while executing, but blocked and remediated by Windows Defender AV, is categorized as “Low” because it may have caused some damage to the individual machine but poses no organizational threat.

An alert about malware detected while executing which can pose a threat not only to the individual machine but to the organization, regardless if it was eventually blocked, may be ranked as “Medium” or “High”.

Suspicious behavioral alerts which were not blocked or remediated will be ranked “Low”, “Medium” or “High” following the same organizational threat considerations. Status You can choose to limit the list of alerts based on their status. Investigation state Corresponds to the automated investigation state. Assigned to You can choose between showing alerts that are assigned to you or automation.

Detection source Select the source that triggered the alert detection. Microsoft Threat Experts preview participants can now filter and see detections from the new threat experts managed hunting service. OS platform Limit the alerts queue view by selecting the OS platform that you’re interested in investigating.

Associated threat Use this filter to focus on alerts that are related to high profile threats. You can see the full list of high-profile threats in Threat analytics. Windows Defender ATP notifies you of possible malicious events, attributes, and contextual information through alerts. A summary of new alerts is displayed in the Security operations dashboard, and you can access all alerts in the Alerts queue.

You can manage alerts by selecting an alert in the Alerts queue or the Alerts related to this machine section of the machine details view. Selecting an alert in either of those places brings up the Alert management pane.

Link to another incident You can create a new incident from the alert or link to an existing incident. Assign alerts If an alert is no yet assigned, you can select Assign to me to assign the alert to yourself. Suppress alerts There might be scenarios where you need to suppress alerts from appearing in Windows Defender Security Center.

Windows Defender ATP lets you create suppression rules for specific alerts that are known to be innocuous such as known tools or processes in your organization. Suppression rules can be created from an existing alert. They can be disabled and reenabled if needed. When a suppression rule is created, it will take effect from the point when the rule is created. The rule will not affect existing alerts already in the queue prior to the rule creation.

The rule will only be applied on alerts that satisfy the conditions set after the rule is created. There are two contexts for a suppression rule that you can choose from: Suppress alert on this machine Suppress alert in my organization The context of the rule lets you tailor what gets surfaced into the portal and ensure that only real security alerts are surfaced into the portal.

You can use the examples in the following table to help you choose the context for a suppression rule:. Suppress alert on this machine Alerts with the same alert title and on A security researcher is that specific machine only will be investigating a malicious script suppressed.

A developer regularly creates PowerShell scripts for their team. Suppress alert in my organization Alerts with the same alert title on any A benign administrative tool is machine will be suppressed. Suppress an alert and create a new suppression rule: Create custom rules to control when alerts are suppressed, or resolved.

You can control the context for when an alert is suppressed by specifying the alert title, Indicator of compromise, and the conditions. Select the alert you’d like to suppress. This brings up the Alert management pane. Select Create a suppression rule.

You can create a suppression rule based on the following attributes: File hash File name – wild card supported File path – wild card supported IP URL – wild card supported 3. Select the Trigerring IOC. Specify the action and scope on the alert. You can automatically resolve an alert or hide it from the portal. Alerts that are automatically resolved will appear in the resolved section of the alerts queue.

Alerts that are marked as hidden will be suppressed from the entire system, both on the machine’s associated alerts and from the dashboard. You can also specify to suppress the alert on a specific machine group. Enter a rule name and a comment. Click Save. View the list of suppression rules 1. The list of suppression rules shows all the rules that users in your organization have created.

For more information on managing suppression rules, see Manage suppression rules. Change the status of an alert You can categorize alerts as New, In Progress, or Resolved by changing their status as your investigation progresses.

This helps you organize and manage how your team can respond to alerts. For example, a team leader can review all New alerts, and decide to assign them to the In Progress queue for further analysis.

Alternatively, the team leader might assign the alert to the Resolved queue if they know the alert is benign, coming from a machine that is irrelevant such as one belonging to a security administrator , or is being dealt with through an earlier alert. Alert classification You can choose not to set a classification, or specify whether an alert is a true alert or a false alert. This classification is used to monitor alert quality, and make alerts more accurate.

The “determination” field defines additional fidelity for a “true positive” classification. Add comments and view the history of an alert You can add comments and view historical events about an alert to see previous changes made to the alert. Investigate alerts that are affecting your network, understand what they mean, and how to resolve them. Click an alert to see the alert details view and the various tiles that provide information about the alert.

You can also manage an alert and see alert metadata along with other information that can help you make better decisions on how to approach them. You’ll also see a status of the automated investigation on the upper right corner. Clicking on the link will take you to the Automated investigations view. For more information, see Automated investigations.

The alert context tile shows the where, who, and when context of the alert. As with other pages, you can click on the icon beside the name or user account to bring up the machine or user details pane. The alert details view also has a status tile that shows the status of the alert in the queue. You’ll also see a description and a set of recommended actions which you can expand.

For more information about managing alerts, see Manage alerts. The alert details page also shows the alert process tree, an incident graph, and an artifact timeline. You can click on the machine link from the alert view to navigate to the machine. If the alert appeared more than once on the machine, the latest occurrence will be displayed in the Machine timeline. Alerts attributed to an adversary or actor display a colored tile with the actor’s name. Click on the actor’s name to see the threat intelligence profile of the actor, including a brief overview of the actor, their interests or targets, their tools, tactics, and processes TTPs and areas where they’ve been observed worldwide.

You will also see a set of recommended actions to take. Some actor profiles include a link to download a more comprehensive threat intelligence report. The detailed alert profile helps you understand who the attackers are, who they target, what techniques, tools, and procedures TTPs they use, which geolocations they are active in, and finally, what recommended actions you may take.

In many cases, you can download a more detailed Threat Intelligence report about this attacker or campaign for offline reading. Alert process tree The Alert process tree takes alert triage and investigation to the next level, displaying the aggregated alert and surrounding evidence that occurred within the same execution context and time period.

This rich triage and investigation context is available on the alert page. The Alert process tree expands to display the execution path of the alert and related evidence that occurred around the same period.

Items marked with a thunderbolt icon should be given priority during investigation. Clicking in the circle immediately to the left of the indicator displays its details. The alert details pane helps you take a deeper look at the details about the alert. It displays rich information about the execution details, file details, detections, observed worldwide, observed in organization, and other details taken from the entity’s page — while remaining on the alert page, so you never leave the current context of your investigation.

Incident graph The Incident Graph provides a visual representation of the organizational footprint of the alert and its evidence: where the evidence that triggered the alert was observed on other machines. It provides a graphical mapping from the original machine and evidence expanding to show other machines in the organization where the triggering evidence was also observed.

You can click the full circles on the incident graph to expand the nodes and view the expansion to other machines where the matching criteria were observed. Artifact timeline The Artifact timeline feature provides an addition view of the evidence that triggered the alert on the machine, and shows the date and time the evidence triggering the alert was observed, as well as the first time it was observed on the machine.

This can help in understanding if the evidence was first observed at the time of the alert, or whether it was observed on the machine earlier – without triggering an alert. Selecting an alert detail brings up the Details pane where you’ll be able to see more information about the alert such as file details, detections, instances of it observed worldwide, and in the organization. Investigate the details of a file associated with a specific alert, behavior, or event to help determine if the file exhibits malicious activities, identify the attack motivation, and understand the potential scope of the breach.

You can investigate files by using the search feature, clicking on a link from the Alert process tree, Incident graph, Artifact timeline, or from an event listed in the Machine timeline. You can get information from the following sections in the file view: File details, Malware detection, Prevalence worldwide Deep analysis Alerts related to this file File in organization Most recent observed machines with file.

File worldwide and Deep analysis The file details, malware detection, and prevalence worldwide sections display various attributes about the file. For more information on how to take action on a file, see Take response action on a file.

You’ll also be able to submit a file for deep analysis. Alerts related to this file The Alerts related to this file section provides a list of alerts that are associated with the file. This list is a simplified version of the Alerts queue, and shows the date when the last activity was detected, a short description of the alert, the user associated with the alert, the alert’s severity, the alert’s status in the queue, and who is addressing the alert.

File in organization The File in organization section provides details on the prevalence of the file, prevalence in email inboxes and the name observed in the organization. Most recent observed machines with the file The Most recent observed machines with the file section allows you to specify a date range to see which machines have been observed with the file. This allows for greater accuracy in defining entities to display such as if and when an entity was observed in the organization.

Investigate machines Investigate the details of an alert raised on a specific machine to identify other behaviors or events that might be related to the alert or the potential scope of breach. You can click on affected machines whenever you see them in the portal to open a detailed report about that machine.

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