Entity Page Device
UpdatedUpdated Microsoft Defender documentation in defender-xdr/entity-page-device.md.
Day in brief
Attack surface reduction rules reference leads 12 Defender updates
30 January 2026 recorded 12 updated Microsoft Defender documentation changes. The most active areas were Endpoint, Office 365, Unified SecOps.
- Attack surface reduction rules reference
Endpoint · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
- Understand attack surface reduction in Microsoft Defender for EndpointEndpoint · Vulnerabilities and exposure
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-overview.md.
- Entity Page Device
Defender XDR · GeneralUpdated Microsoft Defender documentation in defender-xdr/entity-page-device.md.
- Whats New
Unified SecOps · GeneralUpdated Microsoft Defender documentation in unified-secops-platform/whats-new.md.
- Attack Simulation Training Get Started
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/attack-simulation-training-get-started.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
12 updates
Microsoft Defender XDR
1 updateMicrosoft Defender for Endpoint
7 updatesUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-test.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-test.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-test.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-test.md.
Updated Microsoft Defender documentation in defender-endpoint/schedule-anti-virus-scans-linux.md.
Microsoft Defender for Office 365
3 updatesUpdated Microsoft Defender documentation in defender-office-365/attack-simulation-training-get-started.md.
Air About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/air-about.md.
Updated Microsoft Defender documentation in defender-office-365/submissions-report-messages-files-to-microsoft.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in unified-secops-platform/whats-new.md.