Merge branch 'main' into pr/1684

Author: denisebmsft

defender-office-365/air-about.md

@@ -7,7 +7,7 @@ ms.author: chrisda
 manager: deniseb
 audience: ITPro
 ms.topic: conceptual
-ms.date: 06/09/2023
+ms.date: 10/22/2024
 ms.localizationpriority: medium
 search.appverid:
 - MET150
@@ -79,7 +79,9 @@ In addition, make sure to review your organization's [alert policies](alert-poli
 
 ## Which alert policies trigger automated investigations?
 
-Microsoft 365 provides many built-in alert policies that help identify Exchange admin permissions abuse, malware activity, potential external and internal threats, and information governance risks. Several of the [default alert policies](/purview/alert-policies#default-alert-policies) can trigger automated investigations. The following table describes the alerts that trigger automated investigations, their severity in the Microsoft Defender portal, and how they're generated:
+Microsoft 365 provides many built-in alert policies that help identify Exchange admin permissions abuse, malware activity, potential external and internal threats, and information governance risks. Several of the [default alert policies](/purview/alert-policies#default-alert-policies) can trigger automated investigations. If these alerts are disabled or replaced by custom alerts, AIR isn't triggered. 
+
+The following table describes the alerts that trigger automated investigations, their severity in the Microsoft Defender portal, and how they're generated:
 
 |Alert|Severity|How the alert is generated|
 |---|---|---|

defender-office-365/attack-simulation-training-faq.md

@@ -256,7 +256,10 @@ A: Several options are available to target users:
 - Include all users (currently available to organizations with less than 40,000 users).
 - Choose specific users.
 - Select users from a CSV file (one email address per line).
-- Microsoft Entra group-based targeting.
+- Microsoft Entra group-based targeting. The following group types are supported:
+  - Microsoft 365 Groups (static and dynamic)
+  - Distribution groups (static only)
+  - Mail-enabled security groups (static only)
 
 We find that campaigns where the targeted users are identified by Microsoft Entra groups are easier to manage.
 
@@ -282,7 +285,7 @@ Managing a large CSV file or adding many individual recipients can be cumbersome
 > [!TIP]
 > Currently, shared mailboxes aren't supported in Attack simulation training. Simulations should target user mailboxes or groups containing user mailboxes.
 >
-> Distribution groups are expanded and the list of users is generated at the time of saving the simulation or simulation automation.
+> Groups are expanded and the list of users is generated at the time of saving the simulation, simulation automation, or training campaign.
 
 ### Q: Are the limits for the number of simulations that can be deployed during a specific time interval?
 

defender-office-365/attack-simulation-training-simulation-automations.md

@@ -12,7 +12,7 @@ ms.collection:
   - tier2
 description: Admins can learn how to create automated simulations that contain specific techniques and payloads that launch when the specified conditions are met in Microsoft Defender for Office 365 Plan 2.
 search.appverid: met150
-ms.date: 08/26/2024
+ms.date: 10/23/2024
 appliesto:
   - ✅ <a href="https://learn.microsoft.com/defender-office-365/mdo-about#defender-for-office-365-plan-1-vs-plan-2-cheat-sheet" target="_blank">Microsoft Defender for Office 365 Plan 2</a>
 ---
@@ -191,7 +191,12 @@ On the **Target users** page, select who receives the simulation. Use the follow
 
 - **Include only specific users and groups**: At first, no users or groups are shown on the **Targeted users** page. To add users or groups to the simulation, choose one of the following options:
 
-  - :::image type="icon" source="media/m365-cc-sc-create-icon.png" border="false"::: **Add users**: In the **Add users** flyout that opens, you find and select users and groups to receive the simulation. **Dynamic distribution groups are not supported**. The following search tools are available:
+  - :::image type="icon" source="media/m365-cc-sc-create-icon.png" border="false"::: **Add users**: In the **Add users** flyout that opens, you find and select users and groups to receive the simulation. The following group types are supported:
+    - Microsoft 365 Groups (static and dynamic)
+    - Distribution groups (static only)
+    - Mail-enabled Security groups (static only)
+
+    The following search tools are available:
 
     - **Search for users or groups**: If you click in the :::image type="icon" source="media/m365-cc-sc-search-icon.png" border="false"::: **Search** box and do one of the following actions, the **Filter users by categories** options on the **Add users** flyout are replaced by a **User list** section:
       - Type three or more characters and then press the ENTER key. Any users or group names that contain those characters are shown in the **User list** section by **Name** and **Email**.

defender-office-365/attack-simulation-training-training-campaigns.md

@@ -12,7 +12,7 @@ ms.collection:
   - tier2
 description: Admins can learn how to create training campaigns in Attack simulation training in Microsoft Defender for Office 365 Plan 2.
 search.appverid: met150
-ms.date: 08/14/2024
+ms.date: 10/23/2024
 appliesto:
   - ✅ <a href="https://learn.microsoft.com/defender-office-365/mdo-about#defender-for-office-365-plan-1-vs-plan-2-cheat-sheet" target="_blank">Microsoft Defender for Office 365 Plan 2</a>
 ---
@@ -105,21 +105,25 @@ On the **Target users** page, select who receives the Training campaign. Use the
 
 - **Include only specific users and groups**: At first, no users or groups are shown on the **Targeted users** page. To add users or groups to the Training campaign, choose one of the following options:
 
-  - :::image type="icon" source="media/m365-cc-sc-create-icon.png" border="false"::: **Add users**: In the **Add users** flyout that opens, you find and select users and groups to include in the Training campaign. **Dynamic distribution groups are not supported**. The following search tools are available:
+  - :::image type="icon" source="media/m365-cc-sc-create-icon.png" border="false"::: **Add users**: In the **Add users** flyout that opens, you find and select users and groups to include in the Training campaign. The following group types are supported:
+    - Microsoft 365 Groups (static and dynamic)
+    - Distribution groups (static only)
+    - Mail-enabled security groups (static only) 
 
-    - **Search for users or groups**: If you click in the :::image type="icon" source="media/m365-cc-sc-search-icon.png" border="false"::: **Search** box and do one of the following actions, the **Filter users by categories** options on the **Add users** flyout are replaced by a **User list** section:
+  The following search tools are available:
 
-      - Type three or more characters and then press the ENTER key. Any users or group names that contain those characters are shown in the **User list** section by **Name**, **Email**, **Job title**, and **Type**.
-      - Type less than three characters or no characters and then press the ENTER key. No users are shown in the **User list** section, but you can type three or more characters in the **Search** box to search for users and groups.
+  - **Search for users or groups**: If you click in the :::image type="icon" source="media/m365-cc-sc-search-icon.png" border="false"::: **Search** box and do one of the following actions, the **Filter users by categories** options on the **Add users** flyout are replaced by a **User list** section:
+    - Type three or more characters and then press the ENTER key. Any users or group names that contain those characters are shown in the **User list** section by **Name**, **Email**, **Job title**, and **Type**.
+    - Type less than three characters or no characters and then press the ENTER key. No users are shown in the **User list** section, but you can type three or more characters in the **Search** box to search for users and groups.
 
-      The number of results appears in the **Selected (0/x) users** label.
+    The number of results appears in the **Selected (0/x) users** label.
 
-      > [!TIP]
-      > Selecting **Add filters** clears and replaces any results the **User list** section with the **Filter users by categories**.
+    > [!TIP]
+    > Selecting **Add filters** clears and replaces any results the **User list** section with the **Filter users by categories**.
 
-      When you have a list of users or groups in the **User list** section, select some or all of the results by selecting the check box next to the **Name** column. The number of selected results appears in the **Selected (y/x) users** label.
+    When you have a list of users or groups in the **User list** section, select some or all of the results by selecting the check box next to the **Name** column. The number of selected results appears in the **Selected (y/x) users** label.
 
-      Select **Add x users** to add the selected users or groups on the **Target users** page and to return to the **Target users** page.
+    Select **Add x users** to add the selected users or groups on the **Target users** page and to return to the **Target users** page.
 
     - **Filter users by categories**: Use the following options:
 

defender-office-365/message-headers-eop-mdo.md

@@ -56,7 +56,7 @@ The individual fields and values are described in the following table.
 |Field|Description|
 |---|---|
 |`ARC`|The `ARC` protocol has the following fields: <ul><li>`AAR`: Records the content of the **Authentication-results** header from DMARC.</li><li>`AMS`: Includes cryptographic signatures of the message.</li><li>`AS`: Includes cryptographic signatures of the message headers. This field contains a tag of a chain validation called `"cv="`, which includes the outcome of the chain validation as **none**, **pass**, or **fail**.</li></ul>|
-|`CAT:`|The category of protection policy that's applied to the message: <ul><li>`AMP`: Anti-malware</li><li>`BIMP`: Brand impersonation<sup>\*</sup></li><li>`BULK`: Bulk</li><li>`DIMP`: Domain impersonation<sup>\*</sup></li><li>`FTBP`: Anti-malware [common attachments filter](anti-malware-protection-about.md#common-attachments-filter-in-anti-malware-policies)</li><li>`GIMP`: [Mailbox intelligence](anti-phishing-policies-about.md#impersonation-settings-in-anti-phishing-policies-in-microsoft-defender-for-office-365) impersonation<sup>\*</sup></li><li>`HPHSH` or `HPHISH`: High confidence phishing</li><li>`BIMP`: Brand impersonation</li><li>`HSPM`: High confidence spam</li><li>`INTOS`: Intra-Organization phishing</li><li>`MALW`: Malware</li><li>`OSPM`: Outbound spam</li><li>`PHSH`: Phishing</li><li>`SAP`: Safe Attachments<sup>\*</sup></li><li>`SPM`: Spam</li><li>`SPOOF`: Spoofing</li><li>`UIMP`: User impersonation<sup>\*</sup></li></ul> <br/> <sup>\*</sup>Defender for Office 365 only. <br/><br/> An inbound message might be flagged by multiple forms of protection and multiple detection scans. Policies are applied in an order of precedence, and the policy with the highest priority is applied first. For more information, see [What policy applies when multiple protection methods and detection scans run on your email](how-policies-and-protections-are-combined.md).|
+|`CAT:`|The category of protection policy that's applied to the message: <ul><li>`AMP`: Anti-malware</li><li>`BIMP`: Brand impersonation<sup>\*</sup></li><li>`BULK`: Bulk</li><li>`DIMP`: Domain impersonation<sup>\*</sup></li><li>`FTBP`: Anti-malware [common attachments filter](anti-malware-protection-about.md#common-attachments-filter-in-anti-malware-policies)</li><li>`GIMP`: [Mailbox intelligence](anti-phishing-policies-about.md#impersonation-settings-in-anti-phishing-policies-in-microsoft-defender-for-office-365) impersonation<sup>\*</sup></li><li>`HPHSH` or `HPHISH`: High confidence phishing</li><li>`HSPM`: High confidence spam</li><li>`INTOS`: Intra-Organization phishing</li><li>`MALW`: Malware</li><li>`OSPM`: Outbound spam</li><li>`PHSH`: Phishing</li><li>`SAP`: Safe Attachments<sup>\*</sup></li><li>`SPM`: Spam</li><li>`SPOOF`: Spoofing</li><li>`UIMP`: User impersonation<sup>\*</sup></li></ul> <br/> <sup>\*</sup>Defender for Office 365 only. <br/><br/> An inbound message might be flagged by multiple forms of protection and multiple detection scans. Policies are applied in an order of precedence, and the policy with the highest priority is applied first. For more information, see [What policy applies when multiple protection methods and detection scans run on your email](how-policies-and-protections-are-combined.md).|
 |`CIP:[IP address]`|The connecting IP address. You can use this IP address in the IP Allow List or the IP Block List. For more information, see [Configure connection filtering](connection-filter-policies-configure.md).|
 |`CTRY`|The source country/region as determined by the connecting IP address, which might not be the same as the originating sending IP address.|
 |`DIR`|The Directionality of the message: <ul><li>`INB`: Inbound message.</li><li>`OUT`: Outbound message.</li><li>`INT`: Internal message.</li></ul>|