Updated Microsoft Defender documentation in defender-endpoint/mde-security-settings-management.md.
Day in brief
Predefined classifications - Microsoft Security Research leads 23 Defender updates
26 January 2026 recorded 23 updated Microsoft Defender documentation changes. The most active areas were Endpoint, Identity, Vulnerability Management.
- Predefined classifications - Microsoft Security Research
Exposure Management · Vulnerabilities and exposureUpdated Microsoft Defender documentation in exposure-management/predefined-classification-rules-and-levels.md.
- Microsoft Defender for Identity XDR security alerts
Identity · Identity protectionUpdated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.
- Use Microsoft Defender for Endpoint Security Settings Management to manage Microsoft Defender Antivirus
Endpoint · Endpoint protectionUpdated Microsoft Defender documentation in defender-endpoint/mde-security-settings-management.md.
- Tvm Exception Overview
Vulnerability Management · FundamentalsUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.
- Tenant Allow Block List Ip Addresses Configure
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/tenant-allow-block-list-ip-addresses-configure.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
23 updates
Microsoft Defender for Endpoint
7 updatesUpdated Microsoft Defender documentation in defender-endpoint/respond-file-alerts.md.
Indicator File
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/indicator-file.md.
Indicator Certificates
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/indicator-certificates.md.
Indicators Overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/indicators-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-overview.md.
Microsoft Defender for Office 365
4 updatesUpdated Microsoft Defender documentation in defender-office-365/tenant-allow-block-list-ip-addresses-configure.md.
Anti Phishing Policies About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/anti-phishing-policies-about.md.
Quarantine About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/quarantine-about.md.
Anti Spam Policies Configure
UpdatedUpdated Microsoft Defender documentation in defender-office-365/anti-spam-policies-configure.md.
Microsoft Defender for Identity
6 updatesUpdated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.
Updated Microsoft Defender documentation in defender-for-identity/security-testing-best-practices.md.
Updated Microsoft Defender documentation in defender-for-identity/security-testing-best-practices.md.
Alerts Xdr
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/whats-new.md.
Notifications
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/notifications.md.
Updated Microsoft Defender documentation in exposure-management/predefined-classification-rules-and-levels.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in exposure-management/whats-new.md.
Tvm Security Recommendation
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-security-recommendation.md.
Tvm Security Recommendation
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-security-recommendation.md.
Tvm Exception Overview
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.
Tvm Exception
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception.md.