Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Day in brief
Microsoft Defender for Endpoint Security Operations Guide leads 55 Defender updates
24 April 2026 recorded 3 new, 50 updated, 2 removed Microsoft Defender documentation changes. The most active areas were Endpoint, Defender XDR, Business.
- Microsoft Defender for Endpoint Security Operations Guide
Endpoint · Endpoint protectionUpdated Microsoft Defender documentation in defender-endpoint/mde-sec-ops-guide.md.
- Security Alert Triage Agent
Defender XDR · Incidents and responseUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
- Security Alert Triage AgentDefender XDR · Incidents and response
Updated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
- Attack surface reduction in Microsoft Defender for Business
Business · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-business/mdb-asr.md.
- Submissions Teams
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/submissions-teams.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
55 updates
Microsoft Defender XDR
19 updatesSecurity Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Security Alert Triage Agent
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-alert-triage-agent.md.
Added Microsoft Defender documentation in defender-xdr/application-card-copilot-defender.md.
Added Microsoft Defender documentation in defender-xdr/application-card-copilot-defender.md.
Autoad Results
UpdatedUpdated Microsoft Defender documentation in defender-xdr/autoad-results.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Removed Microsoft Defender documentation in defender-xdr/application-card-copilot-defender.md.
Microsoft Defender for Endpoint
34 updatesMigrating Asr Rules
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/migrating-asr-rules.md.
Added Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-configure.md.
ASR rules overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-overview.md.
ASR rules reference
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
ASR rules report
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-report.md.
ASR rules deployment guide
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-implement.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-operationalize.md.
Monitor ASR rules activity
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-monitor.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-configure.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-windows-events.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-endpoint-demonstration-attack-surface-reduction-rules.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-endpoint-demonstrations.md.
Removed Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-enable.md.
Updated Microsoft Defender documentation in defender-endpoint/mde-sec-ops-guide.md.
Exclusions overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/navigate-defender-endpoint-antivirus-exclusions.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-test.md.
Updated Microsoft Defender documentation in defender-endpoint/verify-connectivity.md.
Managing Exclusions
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/managing-exclusions.md.
Updated Microsoft Defender documentation in defender-endpoint/configure-extension-file-exclusions-microsoft-defender-antivirus.md.
Customize Controlled Folders
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/customize-controlled-folders.md.
Mde P1 Setup Configuration
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/mde-p1-setup-configuration.md.
Updated Microsoft Defender documentation in defender-endpoint/msda-updates-previous-versions-technical-upgrade-support.md.
Switch To Mde Phase 2
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/switch-to-mde-phase-2.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-plan.md.
Updated Microsoft Defender documentation in defender-endpoint/configure-endpoints-gp.md.
Updated Microsoft Defender documentation in defender-endpoint/onboard-windows-multi-session-device.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-antivirus-using-powershell.md.
Threat Protection Reports
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/threat-protection-reports.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Submissions Teams
UpdatedUpdated Microsoft Defender documentation in defender-office-365/submissions-teams.md.
Microsoft Defender for Business
1 updateUpdated Microsoft Defender documentation in defender-business/mdb-asr.md.