Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Day in brief
Preview customers leads 40 Defender updates
13 May 2026 recorded 1 new, 37 updated, 1 removed Microsoft Defender documentation changes and 1 relevant Message Center announcement. The most active areas were Defender XDR, Office 365, Sentinel.
- Preview customers
Vulnerability Management · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-exposure-score.md.
- Power Platform Solution Security Content
Sentinel · Cloud and workloadsUpdated Microsoft Defender documentation in sentinel/business-applications/power-platform-solution-security-content.md.
- Ai Agent Inventory
Defender XDR · GeneralUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
- AI agent protection overview for endpoints
Endpoint · Endpoint protectionAdded Microsoft Defender documentation in defender-endpoint/protect-ai-agents-overview.md.
- Deploy the Defender for Identity sensor v3.x
Identity · Architecture and deploymentUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
40 updates
Microsoft Defender XDR
9 updatesDefender 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-copilot-in-microsoft-365-defender.md.
Updated Microsoft Defender documentation in defender-xdr/security-copilot-in-microsoft-365-defender.md.
Updated Microsoft Defender documentation in defender-xdr/autoad-results.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Updated Microsoft Defender documentation in defender-xdr/shield-predict-threats-manage.md.
Microsoft Purview DLP event details will be integrated into Microsoft Graph Security APIs alongside Defender alerts, simplifying correlation, reporting, and SIEM integration. Public preview starts late May 2026; general availability begins late June 2026. This affects admins using these APIs for DLP-related alert data.
Updated Microsoft Defender documentation in defender-xdr/application-card-copilot-defender.md.
Microsoft Defender for Endpoint
6 updatesAdded 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/whats-new-in-microsoft-defender-endpoint.md.
Microsoft Defender Endpoint
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/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.
Microsoft Defender for Office 365
8 updates
Updated Microsoft Defender documentation in defender-office-365/quarantine-shared-mailbox-messages.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-quarantine-notifications.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-quarantine-notifications.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-shared-mailbox-messages.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-quarantine-notifications.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-quarantine-notifications.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-shared-mailbox-messages.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-quarantine-notifications.md.
Microsoft Defender for Identity
3 updatesUpdated Microsoft Defender documentation in defender-for-identity/whats-new.md.
Updated Microsoft Defender documentation in defender-for-identity/health-alerts.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/deploy-sensor-v3.md.
Microsoft Defender for IoT
2 updates
Alert Engine Messages
UpdatedUpdated Microsoft Defender documentation in defender-for-iot-azure/organizations/alert-engine-messages.md.
Alert Engine Messages
UpdatedUpdated Microsoft Defender documentation in defender-for-iot-azure/organizations/alert-engine-messages.md.
Microsoft Sentinel
7 updatesUpdated Microsoft Defender documentation in sentinel/business-applications/power-platform-solution-security-content.md.
Work With Threat Indicators
UpdatedUpdated Microsoft Defender documentation in sentinel/work-with-threat-indicators.md.
Updated Microsoft Defender documentation in sentinel/add-entity-to-threat-intelligence.md.
Enable Data Connectors
UpdatedUpdated Microsoft Defender documentation in sentinel/datalake/enable-data-connectors.md.
Offboard Implications
UpdatedUpdated Microsoft Defender documentation in sentinel/offboard-implications.md.
Updated Microsoft Defender documentation in sentinel/understand-threat-intelligence.md.
Connect Mdti Data Connector
UpdatedUpdated Microsoft Defender documentation in sentinel/connect-mdti-data-connector.md.
Preview customers
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-exposure-score.md.
Tvm Exposure Score
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-exposure-score.md.
Tvm Security Recommendation
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-security-recommendation.md.
Exposure Score Transition
RemovedRemoved Microsoft Defender documentation in defender-vulnerability-management/exposure-score-transition.md.
Preview customers
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/tvm-zero-day-vulnerabilities.md.