Added Microsoft Defender documentation in defender-xdr/defender-experts-managed-security-guide.md.
Day in brief
MSSP guide for Microsoft Defender Experts service leads 27 Defender updates
26 February 2026 recorded 2 new, 23 updated, 1 removed Microsoft Defender documentation changes and 1 relevant Message Center announcement. The most active areas were Endpoint, Defender XDR, Office 365.
- MSSP guide for Microsoft Defender Experts service
Defender XDR · GeneralAdded Microsoft Defender documentation in defender-xdr/defender-experts-managed-security-guide.md.
- Tvm Supported Os
Vulnerability Management · GeneralUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-supported-os.md.
- Remediation Actions
Identity · Identity protectionUpdated Microsoft Defender documentation in defender-for-identity/remediation-actions.md.
- Standard Device Connectivity Urls Commercial
Endpoint · Endpoint protectionUpdated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-commercial.md.
- Submissions User Reported Messages Custom Mailbox
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/submissions-user-reported-messages-custom-mailbox.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
27 updates
Microsoft Defender XDR
5 updatesMicrosoft Defender for Office 365 URL click alerts will now include Microsoft Teams, enabling detection of malicious link clicks in Teams messages. This feature, rolling out from February to May 2026, enhances alert visibility and investigation in the Defender portal for licensed organizations, with no user workflow changes.
Added Microsoft Defender documentation in defender-xdr/defender-experts-mssp-guide.md.
Automatic Attack Disruption
UpdatedUpdated Microsoft Defender documentation in defender-xdr/automatic-attack-disruption.md.
Defender Experts Mssp Guide
RemovedRemoved Microsoft Defender documentation in defender-xdr/defender-experts-mssp-guide.md.
Microsoft Defender for Endpoint
14 updatesUpdated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-commercial.md.
Updated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-gov.md.
Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-create-app-nativeapp.md.
Updated Microsoft Defender documentation in defender-endpoint/streamlined-device-connectivity-urls-commercial.md.
Mde Plugin Wsl
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/mde-plugin-wsl.md.
Raw Data Export Event Hub
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/api/raw-data-export-event-hub.md.
Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-create-app-partners.md.
Raw Data Export Event Hub
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/api/raw-data-export-event-hub.md.
Updated Microsoft Defender documentation in defender-endpoint/api/run-advanced-query-sample-python.md.
This script acquires the App Context Token and stores it in the variable $token for later use.
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/api/device-health-export-antivirus-health-report-api.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Api Hello World
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/api/api-hello-world.md.
Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-full-sample-powershell.md.
PowerShell
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-create-app-webapp.md.
Microsoft Defender for Office 365
5 updatesUpdated Microsoft Defender documentation in defender-office-365/submissions-user-reported-messages-custom-mailbox.md.
Updated Microsoft Defender documentation in defender-office-365/mdo-support-teams-quick-configure.md.
Quarantine Policies
UpdatedUpdated Microsoft Defender documentation in defender-office-365/quarantine-policies.md.
Updated Microsoft Defender documentation in defender-office-365/submissions-user-reported-messages-custom-mailbox.md.
Updated Microsoft Defender documentation in defender-office-365/submissions-user-reported-messages-custom-mailbox.md.
Microsoft Defender for Identity
2 updatesRemediation Actions
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/remediation-actions.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/whats-new.md.
Tvm Supported Os
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-supported-os.md.