Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Day in brief
Ai Agent Detection Protection leads 59 Defender updates
28 May 2026 recorded 59 updated Microsoft Defender documentation changes. The most active areas were Endpoint, Defender XDR, Identity.
- Ai Agent Detection Protection
Defender XDR · GeneralUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
- Migrate To Sensor V3
Identity · Identity protectionUpdated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
- Attack Surface Reduction Rules Reference
Endpoint · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
- Prerequisites for deploying Microsoft Sentinel
Sentinel · Cloud and workloadsUpdated Microsoft Defender documentation in sentinel/prerequisites.md.
- Configure trusted ARC sealers
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/email-authentication-arc-configure.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
59 updates
Microsoft Defender XDR
12 updatesUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
Teams Restrictions Dexapp
UpdatedUpdated Microsoft Defender documentation in defender-xdr/teams-restrictions-dexapp.md.
Updated Microsoft Defender documentation in defender-xdr/get-started-dex-servers.md.
Updated Microsoft Defender documentation in defender-xdr/dex-servers-overview.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-aiagentsinfo-table.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-aiagentsinfo-table.md.
Microsoft Defender for Endpoint
30 updates
Updated Microsoft Defender documentation in defender-endpoint/discover-local-ai-agents.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
Updated Microsoft Defender documentation in defender-endpoint/ai-agent-runtime-protection-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/configure-ai-agent-runtime-protection.md.
Updated Microsoft Defender documentation in defender-endpoint/configure-ai-agent-runtime-protection.md.
Updated Microsoft Defender documentation in defender-endpoint/ai-agent-runtime-protection-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-windows.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
Updated Microsoft Defender documentation in defender-endpoint/configure-ai-agent-runtime-protection.md.
Discover Local Ai Agents
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/discover-local-ai-agents.md.
Updated Microsoft Defender documentation in defender-endpoint/guidance-pen-testing-bas-linux.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
Updated Microsoft Defender documentation in defender-endpoint/guidance-pen-testing-bas-linux.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Updated Microsoft Defender documentation in defender-endpoint/configure-ai-agent-runtime-protection.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
Updated Microsoft Defender documentation in defender-endpoint/onboard-downlevel.md.
Updated Microsoft Defender documentation in defender-endpoint/onboard-downlevel.md.
Onboard Downlevel
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/onboard-downlevel.md.
Onboard Downlevel
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/onboard-downlevel.md.
Onboard Downlevel
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/onboard-downlevel.md.
Protect Ai Agents Overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/protect-ai-agents-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Microsoft Defender for Office 365
3 updatesUpdated Microsoft Defender documentation in defender-office-365/email-authentication-arc-configure.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-about.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Microsoft Defender for Identity
12 updatesMigrate To Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Migrate To Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Migrate To Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Migrate To Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Health Alerts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/health-alerts.md.
Health Alerts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/health-alerts.md.
Health Alerts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/health-alerts.md.
Health Alerts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/health-alerts.md.
Deploy Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
Deploy Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
Deploy Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
Deploy Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
Microsoft Sentinel
2 updatesUpdated Microsoft Defender documentation in sentinel/prerequisites.md.
Ueba Reference
UpdatedUpdated Microsoft Defender documentation in sentinel/ueba-reference.md.