Teams

Author: chrisda

defender-office-365/mdo-support-teams-about.md

@@ -16,7 +16,7 @@ ms.collection:
   - tier1
 description: Admins can learn about Microsoft Teams features in Microsoft Defender for Office 365.
 ms.service: defender-office-365
-ms.date: 08/29/2025
+ms.date: 09/03/2025
 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 1 and Plan 2</a>
   - ✅ <a href="https://learn.microsoft.com/defender-xdr/microsoft-365-defender" target="_blank">Microsoft Defender XDR</a>
@@ -33,12 +33,12 @@ With the increased use of collaboration tools like Microsoft Teams, the possibil
 All licenses of Microsoft Teams in Microsoft 365 include the following built-in protections:
 
 - [Built-in virus protection in SharePoint, SharePoint Embedded, OneDrive, and Microsoft Teams](anti-malware-protection-for-spo-odfb-teams-about.md)
-- **Near real-time URL protection in Teams messages**: Known, malicious URLs in Teams messages are delivered with a warning. Messages found to contain malicious URLs up to 48 hours after delivery also receive a warning. The warning is added to messages in internal and external chats and teams for all URL verdicts (not just malware or high confidence phishing).
-
-  Currently, this feature is on by default, and there's no way to disable it.
+- **Near real-time URL protection in Teams messages (currently in Preview)**: Known, malicious URLs in Teams messages are delivered with a warning. Messages found to contain malicious URLs up to 48 hours after delivery also receive a warning. The warning is added to messages in internal and external chats and teams for all URL verdicts (not just malware or high confidence phishing).
 
   :::image type="content" source="media/teams-message-url-warning.png" alt-text="Screenshot showing a Microsoft Teams message with a URL warning." lightbox="media/teams-message-url-warning.png":::
 
+  To turn this feature off or on, see [Verify warnings for unsafe links are shown in Microsoft Teams messages](mdo-support-teams-quick-configure.md#step-3-verify-warnings-for-unsafe-links-are-shown-in-microsoft-teams-messages).
+
 Microsoft Defender for Office 365 provides the following extra Teams protection features:
 
 - Time of click protection for URLs and files in Teams messages through [Safe Links for Microsoft Teams](safe-links-about.md#safe-links-settings-for-microsoft-teams) and [Safe Attachments for SharePoint, OneDrive, and Microsoft Teams](safe-attachments-for-spo-odfb-teams-about.md).

defender-office-365/mdo-support-teams-quick-configure.md

@@ -77,7 +77,20 @@ For complete instructions, see [Use the Microsoft Defender portal to modify cust
 > [!TIP]
 > Teams integration is on in the [Built-in protection preset security policy](preset-security-policies.md), but any other Safe Links policies [take precedence](preset-security-policies.md#order-of-precedence-for-preset-security-policies-and-other-threat-policies) over the Built-in protection preset security policy (as shown in the order they're listed on the **Safe Links** page).
 
-## Step 3: Defender for Office 365 Plan 2: Verify Zero-hour auto purge (ZAP) for Microsoft Teams
+## Step 3: Verify warnings for unsafe links are shown in Microsoft Teams messages
+
+> [!NOTE]
+> Currently, this feature is in Preview, isn't available in all organizations, and is subject to change.
+
+For more information about near real-time warning messages on known bad links in Microsoft Teams messages, see [Microsoft Defender for Office 365 support for Microsoft Teams](mdo-support-teams-about.md).
+
+1. In the Microsoft Teams admin center, go to the **Message settings** page at <https://admin.teams.microsoft.com/messaging/settings>.
+
+2. On the **Message settings** page, go to the **Messaging safety** section and verify the **Scan messages for unsafe links** toggle is :::image type="icon" source="media/scc-toggle-on.png" border="false"::: **On**.
+
+:::image type="content" source="media/teams-message-url-warning-on-off.png" alt-text="Screenshot of the Scan messages for unsafe links toggle in the Microsoft Teams admin center." lightbox="media/teams-message-url-warning-on-off.png":::
+
+## Step 4: Defender for Office 365 Plan 2: Verify Zero-hour auto purge (ZAP) for Microsoft Teams
 
 For complete instructions, see [Configure ZAP for Teams protection in Defender for Office 365 Plan 2](mdo-support-teams-about.md#configure-zap-for-teams-protection-in-defender-for-office-365-plan-2).
 
@@ -90,7 +103,7 @@ For complete instructions, see [Configure ZAP for Teams protection in Defender f
 > [!TIP]
 > When ZAP for Microsoft Teams is turned on, you can use **Exclude these participants** on the **Microsoft Teams protection** page to exclude users from Teams protection. For more information, see [Configure ZAP for Teams protection in Defender for Office 365 Plan 2](mdo-support-teams-about.md#configure-zap-for-teams-protection-in-defender-for-office-365-plan-2).
 
-## Step 4: Defender for Office 365 Plan 2: Configure user reported settings for Microsoft Teams
+## Step 5: Defender for Office 365 Plan 2: Configure user reported settings for Microsoft Teams
 
 For complete instructions, see [User reported message settings in Microsoft Teams](submissions-teams.md).