Added Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Day in brief
Discover AI agents and assess security posture using Microsoft Defender leads 22 Defender updates
7 April 2026 recorded 4 new, 18 updated Microsoft Defender documentation changes. The most active areas were Defender XDR, Office 365, Endpoint.
- Discover AI agents and assess security posture using Microsoft Defender
Defender XDR · GeneralAdded Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
- Secure your AI assets using Microsoft DefenderDefender XDR · General
Added Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
- Secure AI agents from build to runtime using Microsoft DefenderDefender XDR · General
Added Microsoft Defender documentation in defender-xdr/security-for-ai/defender-agent-365.md.
- Attack surface reduction rules report
Endpoint · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-report.md.
- Mdo Email Entity Page
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/mdo-email-entity-page.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
22 updates
Microsoft Defender XDR
9 updatesAdded Microsoft Defender documentation in defender-xdr/security-for-ai/defender-security-for-ai.md.
Added Microsoft Defender documentation in defender-xdr/security-for-ai/defender-agent-365.md.
Added Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Compare Rbac Roles
UpdatedUpdated Microsoft Defender documentation in defender-xdr/compare-rbac-roles.md.
Custom Permissions Details
UpdatedUpdated Microsoft Defender documentation in defender-xdr/custom-permissions-details.md.
Updated Microsoft Defender documentation in defender-xdr/start-using-mdex-xdr.md.
Microsoft Defender for Endpoint
5 updates
Mtd
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/mtd.md.
Configure Endpoints Vdi
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/configure-endpoints-vdi.md.
Updated Microsoft Defender documentation in defender-endpoint/msda-updates-previous-versions-technical-upgrade-support.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-report.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Microsoft Defender for Office 365
8 updatesMdo Email Entity Page
UpdatedUpdated Microsoft Defender documentation in defender-office-365/mdo-email-entity-page.md.
Updated Microsoft Defender documentation in defender-office-365/mdo-support-teams-quick-configure.md.
Updated Microsoft Defender documentation in defender-office-365/mdo-support-teams-quick-configure.md.
Updated Microsoft Defender documentation in defender-office-365/submissions-users-report-message-add-in-configure.md.
Updated Microsoft Defender documentation in defender-office-365/submissions-users-report-message-add-in-configure.md.
Updated Microsoft Defender documentation in defender-office-365/mdo-support-teams-quick-configure.md.
Mdo Support Teams About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/mdo-support-teams-about.md.
Mdo Support Teams About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/mdo-support-teams-about.md.