Updated Microsoft Defender documentation in defender-xdr/get-started-dex-servers.md.
Day in brief
The Advanced Security Information Model (ASIM) Audit Events normalization schema reference | Microsoft Docs leads 81 Defender updates
20 May 2026 recorded 7 new, 70 updated, 4 removed Microsoft Defender documentation changes. The most active areas were Sentinel, Endpoint, Office 365.
- The Advanced Security Information Model (ASIM) Audit Events normalization schema reference | Microsoft Docs
Sentinel · Developer and APIAdded Microsoft Defender documentation in sentinel/normalization-schema-audit.md.
- Fixed Reported Inaccuracies
Vulnerability Management · GeneralUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
- Onboarding
Endpoint · Endpoint protectionUpdated Microsoft Defender documentation in defender-endpoint/onboarding.md.
- Troubleshoot email authentication in Microsoft 365
Office 365 · TroubleshootingAdded Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
- Get started with Microsoft Defender Experts for cloud workloads
Defender XDR · FundamentalsUpdated Microsoft Defender documentation in defender-xdr/get-started-dex-servers.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
81 updates
Microsoft Defender XDR
1 updateMicrosoft Defender for Endpoint
13 updatesUpdated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Updated Microsoft Defender documentation in defender-endpoint/msda-updates-previous-versions-technical-upgrade-support.md.
Respond Machine Alerts
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/respond-machine-alerts.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/custom-data-collection.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Updated Microsoft Defender documentation in defender-endpoint/create-custom-data-collection-rules.md.
Enable Network Protection
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/enable-network-protection.md.
Onboarding
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/onboarding.md.
Microsoft Defender for Office 365
9 updates
Updated Microsoft Defender documentation in defender-office-365/email-authentication-dmarc-configure.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-spf-configure.md.
Email Authentication About
UpdatedUpdated Microsoft Defender documentation in defender-office-365/email-authentication-about.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-arc-configure.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-dkim-configure.md.
Added Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Updated Microsoft Defender documentation in defender-office-365/email-authentication-troubleshoot.md.
Microsoft Defender for Identity
1 update
Troubleshooting Known Issues
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/troubleshooting-known-issues.md.
Microsoft Defender for Cloud Apps
6 updates
Updated Microsoft Defender documentation in defender-for-cloud-apps/mde-govern.md.
Mde Govern
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/mde-govern.md.
Updated Microsoft Defender documentation in defender-for-cloud-apps/release-notes.md.
Mde Govern
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/mde-govern.md.
Mde Govern
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/mde-govern.md.
Release Notes
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/release-notes.md.
Microsoft Defender for IoT
1 update
Alert Engine Messages
UpdatedUpdated Microsoft Defender documentation in defender-for-iot-azure/organizations/alert-engine-messages.md.
Microsoft Sentinel
48 updatesAdded Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.
Added Microsoft Defender documentation in sentinel/entity-behaviors-layer-application-card.md.
Added Microsoft Defender documentation in sentinel/automation/integrations.md.
Added Microsoft Defender documentation in sentinel/automation/integrations.md.
Added Microsoft Defender documentation in sentinel/automation/integrations.md.
Generate Playbook
UpdatedUpdated Microsoft Defender documentation in sentinel/automation/generate-playbook.md.
Updated Microsoft Defender documentation in sentinel/automation/integrations.md.
Normalization Parsers List
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-parsers-list.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in sentinel/whats-new.md.
Generate Playbook
UpdatedUpdated Microsoft Defender documentation in sentinel/automation/generate-playbook.md.
Generate Playbook
UpdatedUpdated Microsoft Defender documentation in sentinel/automation/generate-playbook.md.
Generate Playbook
UpdatedUpdated Microsoft Defender documentation in sentinel/automation/generate-playbook.md.
Normalization
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization.md.
Normalization About Schemas
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-about-schemas.md.
Normalization Common Fields
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-common-fields.md.
Normalization Content
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-content.md.
Updated Microsoft Defender documentation in sentinel/normalization-develop-parsers.md.
Normalization Functions
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-functions.md.
Normalization Known Issues
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-known-issues.md.
Normalization Manage Parsers
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-manage-parsers.md.
Normalization Modify Content
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-modify-content.md.
Updated Microsoft Defender documentation in sentinel/normalization-parsers-overview.md.
Generate Playbook
UpdatedUpdated Microsoft Defender documentation in sentinel/automation/generate-playbook.md.
Generate Playbook
UpdatedUpdated Microsoft Defender documentation in sentinel/automation/generate-playbook.md.
Normalization Ingest Time
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-ingest-time.md.
Removed Microsoft Defender documentation in sentinel/entity-behaviors-layer-application-card.md.
Integrations
RemovedRemoved Microsoft Defender documentation in sentinel/automation/integrations.md.
Normalization About Parsers
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-about-parsers.md.
Updated Microsoft Defender documentation in sentinel/normalization-about-workspace-parsers.md.
Updated Microsoft Defender documentation in sentinel/normalization-develop-parsers.md.
Normalization Modify Content
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-modify-content.md.
Removed Microsoft Defender documentation in sentinel/sentinel-siem-application-card.md.
Added Microsoft Defender documentation in sentinel/normalization-schema-audit.md.
Updated Microsoft Defender documentation in sentinel/normalization-schema-authentication.md.
Updated Microsoft Defender documentation in sentinel/normalization-schema-agent.md.
Updated Microsoft Defender documentation in sentinel/normalization-schema-agent.md.
Normalization Schema Agent
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-schema-agent.md.
Normalization Schema Asset
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-schema-asset.md.
Normalization Schema Dhcp
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-schema-dhcp.md.
Normalization Schema Dns
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-schema-dns.md.
Updated Microsoft Defender documentation in sentinel/normalization-schema-file-event.md.
Normalization Schema Network
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-schema-network.md.
Updated Microsoft Defender documentation in sentinel/normalization-schema-process-event.md.
Updated Microsoft Defender documentation in sentinel/normalization-schema-user-management.md.
Normalization Schema Web
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-schema-web.md.
Updated Microsoft Defender documentation in sentinel/normalization-schema-registry-event.md.
Normalization Schema V1
UpdatedUpdated Microsoft Defender documentation in sentinel/normalization-schema-v1.md.
Normalization Schema Audit
RemovedRemoved Microsoft Defender documentation in sentinel/normalization-schema-audit.md.
Fixed Reported Inaccuracies
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
Mto Distribution Profiles
UpdatedUpdated Microsoft Defender documentation in unified-secops-platform/mto-distribution-profiles.md.