Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Day in brief
Reports Email Security leads 5 Defender updates
15 May 2026 recorded 5 updated Microsoft Defender documentation changes. The most active areas were Office 365, Endpoint, Sentinel.
- Reports Email Security
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/reports-email-security.md.
- Sentinel Mcp Data Exploration Tool
Sentinel · Cloud and workloadsUpdated Microsoft Defender documentation in sentinel/datalake/sentinel-mcp-data-exploration-tool.md.
- Microsoft Defender Endpoint Releases
Endpoint · Endpoint protectionUpdated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
- Outbound Spam Policies ConfigureOffice 365 · Email and collaboration
Updated Microsoft Defender documentation in defender-office-365/outbound-spam-policies-configure.md.
- Anti Spam Bulk Complaint Level Bcl AboutOffice 365 · Email and collaboration
Updated Microsoft Defender documentation in defender-office-365/anti-spam-bulk-complaint-level-bcl-about.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
5 updates
Microsoft Defender for Endpoint
1 updateMicrosoft Defender for Office 365
3 updatesReports Email Security
UpdatedUpdated Microsoft Defender documentation in defender-office-365/reports-email-security.md.
Updated Microsoft Defender documentation in defender-office-365/outbound-spam-policies-configure.md.
Updated Microsoft Defender documentation in defender-office-365/anti-spam-bulk-complaint-level-bcl-about.md.
Microsoft Sentinel
1 updateUpdated Microsoft Defender documentation in sentinel/datalake/sentinel-mcp-data-exploration-tool.md.