Block Teams domains

Author: chrisda

defender-office-365/TOC.yml

@@ -253,6 +253,8 @@
              href: tenant-allow-block-list-urls-configure.md
            - name: Allow or block IPv6 addresses using the Tenant Allow/Block List
              href: tenant-allow-block-list-ip-addresses-configure.md
+           - name: Block domains in Microsoft Teams using the Tenant Allow/Block List
+             href: tenant-allow-block-list-teams-domains-configure.md
          - name: Admin submissions
            href: submissions-admin.md
          - name: Create block sender lists

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

@@ -30,7 +30,7 @@ appliesto:
 With the increased use of collaboration tools like Microsoft Teams, the possibility of malicious attacks using chat messages has also increased. Microsoft Defender for Office 365 already provides the following 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).
-- Allow/block [domains](tenant-allow-block-list-teams-domain-configure.md), [URLs](tenant-allow-block-list-urls-configure.md) and [files](tenant-allow-block-list-files-configure.md) inside Teams using the Tenant Allow Block List.
+- Allow/block [domains](tenant-allow-block-list-teams-domains-configure.md), [URLs](tenant-allow-block-list-urls-configure.md) and [files](tenant-allow-block-list-files-configure.md) inside Teams using the Tenant Allow Block List.
 
 In Microsoft 365 E5 and Defender for Office 365 Plan 2, we've extended Teams protection with a set of capabilities that are designed to disrupt the attack chain:
 

defender-office-365/mdo-support-teams-sec-ops-guide.md

@@ -59,7 +59,7 @@ SecOps team members can also use block entries in the Tenant Allow/Block List to
 SecOps team members can use threat hunting or information from external threat intelligence feeds to proactively respond to false negative Teams messages (bad messages allowed). They can use the information to proactively block threats. For example:
 
 - [Create URL block entries](tenant-allow-block-list-urls-configure.md#create-block-entries-for-urls) in the Tenant Allow/Block List in Defender for Office 365. Block entries apply at time of click for URLs in Teams.  
-- [Block domains in Teams using the Tenant Allow/Block List](tenant-allow-block-list-teams-domain-configure.md).
+- [Block domains in Teams using the Tenant Allow/Block List](tenant-allow-block-list-teams-domains-configure.md).
 - Submit undetected URLs to Microsoft using [admin submission](submissions-admin.md#report-questionable-urls-to-microsoft).
 
 > [!TIP]

defender-office-365/media/tenant-allow-block-list-teams-domains.png

@@ -44,7 +44,7 @@ For usage and configuration instructions, see the following articles:
 - **Files**: [Allow or block files using the Tenant Allow/Block List](tenant-allow-block-list-files-configure.md)
 - **URLs**: [Allow or block URLs using the Tenant Allow/Block List](tenant-allow-block-list-urls-configure.md).
 - **IP addresses**: [Allow or block IPv6 addresses using the Tenant Allow/Block List](tenant-allow-block-list-ip-addresses-configure.md).
-- **Teams domains**: [Block domains in Microsoft Teams using the Tenant Allow/Block List](tenant-allow-block-list-teams-domain-configure.md).
+- **Teams domains**: [Block domains in Microsoft Teams using the Tenant Allow/Block List](tenant-allow-block-list-teams-domains-configure.md).
 
 These articles contain procedures in the Microsoft Defender portal and in PowerShell.
 
@@ -74,7 +74,7 @@ In the Tenant Allow/Block List, you can also directly create block entries for t
 
 - **[IP addresses](tenant-allow-block-list-ip-addresses-configure.md#create-block-entries-for-ipv6-addresses)**: If you manually create a block entry, all incoming email messages from that IP address are dropped at the edge of the service.
 
--  **[Teams domains]((tenant-allow-block-list-teams-domain-configure.md))**: If you manually create a block entry, all incoming communication over Teams from that domain will be blocked whereas existing communication will be deleted.
+- **[Teams domains]((tenant-allow-block-list-teams-domains-configure.md))**: If you manually create a block entry, all incoming communication over Teams from that domain will be blocked whereas existing communication will be deleted.
 
 By default, the following types of block entries expire after 30 days, but you can set them to expire up 90 days or to never expire:
 
@@ -86,7 +86,7 @@ The following types of block entries never expire:
 
 - [Spoofed senders](tenant-allow-block-list-email-spoof-configure.md#create-block-entries-for-spoofed-senders)
 - [IP addresses](tenant-allow-block-list-ip-addresses-configure.md#create-block-entries-for-ipv6-addresses)
-- [Teams domains](tenant-allow-block-list-teams-domain-configure.md).
+- [Teams domains](tenant-allow-block-list-teams-domains-configure.md).
 
 ## Allow entries in the Tenant Allow/Block List