Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Day in brief
Advanced Hunting Security Copilot leads 87 Defender updates
25 May 2026 recorded 2 new, 85 updated Microsoft Defender documentation changes. The most active areas were Endpoint, Identity, Defender XDR.
- Advanced Hunting Security Copilot
Defender XDR · Hunting and detectionUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-security-copilot.md.
- Deploy Microsoft Defender endpoint security to Windows devices using the Defender deployment tool
Endpoint · Architecture and deploymentUpdated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
- Application card for Microsoft Sentinel SIEM
Sentinel · Cloud and workloadsUpdated Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.
- Mde Govern
Cloud Apps · Cloud and workloadsUpdated Microsoft Defender documentation in defender-for-cloud-apps/mde-govern.md.
- Configure Microsoft Defender for Identity action accounts
Identity · Identity protectionUpdated Microsoft Defender documentation in defender-for-identity/deploy/manage-action-accounts.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
87 updates
Microsoft Defender XDR
15 updatesAi 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.
Defender Security For Ai
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
CloudProcessEvents (Preview)
UpdatedUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-cloudprocessevents-table.md.
MessageEvents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-messageevents-table.md.
MessagePostDeliveryEvents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-messagepostdeliveryevents-table.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-security-copilot.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Microsoft Defender for Endpoint
44 updatesAdded Microsoft Defender documentation in defender-endpoint/ai-agent-runtime-protection-overview.md.
Discover Local Ai Agents
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/discover-local-ai-agents.md.
Added Microsoft Defender documentation in defender-endpoint/guidance-for-pen-testing-and-bas-linux.md.
Linux Preferences
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/linux-preferences.md.
Updated Microsoft Defender documentation in defender-endpoint/guidance-for-pen-testing-and-bas-linux.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
Updated Microsoft Defender documentation in defender-endpoint/protect-ai-agents-overview.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-for-pen-testing-and-bas-linux.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/schedule-antivirus-scans-linux.md.
Updated Microsoft Defender documentation in defender-endpoint/ai-agent-runtime-protection-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/protect-ai-agents-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/protect-ai-agents-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/ai-agent-runtime-protection-overview.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.
Discover Local Ai Agents
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/discover-local-ai-agents.md.
Minimum Requirements
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/minimum-requirements.md.
Protect Ai Agents Overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/protect-ai-agents-overview.md.
Updated Microsoft Defender documentation in defender-endpoint/schedule-antivirus-scans-linux.md.
Updated Microsoft Defender documentation in defender-endpoint/protect-ai-agents-overview.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.
Deployment Strategy
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/deployment-strategy.md.
Deployment Strategy
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/deployment-strategy.md.
Discover local AI agents
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/discover-local-ai-agents.md.
Discover Local Ai Agents
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/discover-local-ai-agents.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-anti-virus-scans-linux.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.
Minimum Requirements
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/minimum-requirements.md.
Updated Microsoft Defender documentation in defender-endpoint/restrict-response-actions-high-value-assets.md.
Updated Microsoft Defender documentation in defender-endpoint/schedule-antivirus-scans-linux.md.
Updated Microsoft Defender documentation in defender-endpoint/supported-capabilities-by-platform.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.
Deploy Microsoft Defender endpoint security to Windows devices using the Defender deployment tool
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.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.
Discover local AI agents
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/discover-local-ai-agents.md.
Microsoft Defender for Identity
22 updatesUpdated Microsoft Defender documentation in defender-for-identity/deploy/manage-action-accounts.md.
Remediation Actions
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/remediation-actions.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/create-directory-service-account-gmsa.md.
Manage Action Accounts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/manage-action-accounts.md.
Manage Action Accounts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/manage-action-accounts.md.
Remediation Actions
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/remediation-actions.md.
Directory Service Accounts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/directory-service-accounts.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/directory-service-accounts.md.
Manage Action Accounts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/manage-action-accounts.md.
Manage Action Accounts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/manage-action-accounts.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-2.md.
Remediation Actions
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/remediation-actions.md.
Remediation Actions
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/remediation-actions.md.
Deploy Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.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.
Mde Govern
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/mde-govern.md.
Microsoft Sentinel
5 updatesUpdated Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.
Updated Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.
Updated Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.
Updated Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.
Updated Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.