Added Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
Day in brief
Summarize an incident with Microsoft Copilot in Microsoft Defender leads 129 Defender updates
14 April 2026 recorded 3 new, 121 updated, 5 removed Microsoft Defender documentation changes. The most active areas were Defender XDR, Endpoint, Office 365.
- Summarize an incident with Microsoft Copilot in Microsoft Defender
Defender XDR · Incidents and responseUpdated Microsoft Defender documentation in defender-xdr/security-copilot-m365d-incident-summary.md.
- Fixed Reported Inaccuracies
Vulnerability Management · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
- Attack Surface Reduction Rules Enable
Endpoint · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-enable.md.
- Configure delegated access with governance relationships for multitenant organizations
Unified SecOps · GeneralAdded Microsoft Defender documentation in unified-secops-platform/governance-relationships.md.
- Proxy Intro Aad
Cloud Apps · Cloud and workloadsUpdated Microsoft Defender documentation in defender-for-cloud-apps/proxy-intro-aad.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
129 updates
Microsoft Defender XDR
60 updatesUpdated 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.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.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.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.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.
Updated 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.
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.
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.
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/real-time-agent-protection-during-runtime.md.
Updated 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/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.
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.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.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.
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/real-time-agent-protection-during-runtime.md.
Updated 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/ai-agent-inventory.md.
Updated 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.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
AIAgentsInfo (Preview)
UpdatedUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-aiagentsinfo-table.md.
Defender Agent 365
RemovedRemoved Microsoft Defender documentation in defender-xdr/security-for-ai/defender-agent-365.md.
Removed Microsoft Defender documentation in defender-xdr/security-for-ai/real-time-agent-protection-during-runtime.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/ai-agent-inventory.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in defender-xdr/governance-relationships.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/ai-agent-inventory.md.
Custom Permissions Details
UpdatedUpdated Microsoft Defender documentation in defender-xdr/custom-permissions-details.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/ai-agent-inventory.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in defender-xdr/governance-relationships.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.
Ai Agent Inventory
RemovedRemoved Microsoft Defender documentation in defender-xdr/ai-agent-inventory.md.
Governance Relationships
RemovedRemoved Microsoft Defender documentation in defender-xdr/governance-relationships.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.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-microsoft-defender.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-inventory.md.
Updated Microsoft Defender documentation in defender-xdr/security-for-ai/ai-agent-detection-protection.md.
Updated Microsoft Defender documentation in defender-xdr/security-copilot-m365d-incident-summary.md.
Microsoft Defender for Endpoint
39 updates
Updated Microsoft Defender documentation in defender-endpoint/device-inventory-field-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/guidelines-device-inventory.md.
Client Analyzer
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/overview-client-analyzer.md.
Updated Microsoft Defender documentation in defender-endpoint/device-inventory-field-reference.md.
Managing Exclusions
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/managing-exclusions.md.
Updated Microsoft Defender documentation in defender-endpoint/internet-facing-devices.md.
Updated Microsoft Defender documentation in defender-endpoint/device-timeline-event-flag.md.
Updated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-commercial.md.
Updated Microsoft Defender documentation in defender-endpoint/streamlined-device-connectivity-urls-commercial.md.
Updated Microsoft Defender documentation in defender-endpoint/targeting-devices.md.
Machine Tags
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/machine-tags.md.
Machine Tags
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/machine-tags.md.
Updated Microsoft Defender documentation in defender-endpoint/msda-updates-previous-versions-technical-upgrade-support.md.
Updated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-commercial.md.
Updated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-gov.md.
Updated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-gov.md.
Updated Microsoft Defender documentation in defender-endpoint/streamlined-device-connectivity-urls-commercial.md.
Switch To Mde Phase 2
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/switch-to-mde-phase-2.md.
Device Timeline Event Flag
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/device-timeline-event-flag.md.
Internet Facing Devices
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/internet-facing-devices.md.
Investigate Machines
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/investigate-machines.md.
Machine Tags
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/machine-tags.md.
Machines View Overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/machines-view-overview.md.
Network Devices
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/network-devices.md.
Updated Microsoft Defender documentation in defender-endpoint/standard-device-connectivity-urls-commercial.md.
Updated Microsoft Defender documentation in defender-endpoint/streamlined-device-connectivity-urls-commercial.md.
Zzz
NewAdded Microsoft Defender documentation in defender-endpoint/zzz.md.
Zzz
RemovedRemoved Microsoft Defender documentation in defender-endpoint/zzz.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-enable.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/device-inventory-field-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-enable.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-test.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-report.md.
Managing Exclusions
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/managing-exclusions.md.
Offboard Machines
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/offboard-machines.md.
Updated Microsoft Defender documentation in defender-endpoint/onboard-windows-multi-session-device.md.
Microsoft Defender for Office 365
9 updates
Anti Phishing Policies About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/anti-phishing-policies-about.md.
Anti Phishing Policies About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/anti-phishing-policies-about.md.
Air About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/air-about.md.
Anti Spam Policies Configure
UpdatedUpdated Microsoft Defender documentation in defender-office-365/anti-spam-policies-configure.md.
Anti Spam Protection About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/anti-spam-protection-about.md.
Updated Microsoft Defender documentation in defender-office-365/quarantine-admin-manage-messages-files.md.
Updated Microsoft Defender documentation in defender-office-365/recommended-settings-for-eop-and-office365.md.
Updated Microsoft Defender documentation in defender-office-365/air-about.md.
Updated Microsoft Defender documentation in defender-office-365/air-about.md.
Microsoft Defender for Identity
6 updatesInvestigate Domain
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/investigate-domain.md.
Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/whats-new.md.
Password Protection
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/password-protection.md.
Download Sensor
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/download-sensor.md.
Download Sensor
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/download-sensor.md.
Microsoft Defender for Cloud Apps
6 updatesUpdated Microsoft Defender documentation in defender-for-cloud-apps/ai-agent-inventory.md.
Proxy Intro Aad
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/proxy-intro-aad.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/ai-agent-inventory.md.
Proxy Intro Aad
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/proxy-intro-aad.md.
Ai Agent Inventory
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/ai-agent-inventory.md.
Updated Microsoft Defender documentation in defender-for-cloud-apps/real-time-agent-protection-during-runtime.md.
Fixed Reported Inaccuracies
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies-security-configuration-assessment.md.
Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies-security-configuration-assessment.md.
Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies-security-configuration-assessment.md.
Fixed Reported Inaccuracies
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
Microsoft Unified SecOps Platform
4 updatesAdded Microsoft Defender documentation in unified-secops-platform/governance-relationships.md.
Gov Support
UpdatedUpdated Microsoft Defender documentation in unified-secops-platform/gov-support.md.
Updated Microsoft Defender documentation in unified-secops-platform/governance-relationships.md.
Governance Relationships
UpdatedUpdated Microsoft Defender documentation in unified-secops-platform/governance-relationships.md.