Updated Microsoft Defender documentation in defender-xdr/whats-new.md.

Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-entraidspnsigninevents-table.md.

Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-entraidsigninevents-table.md.

Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-graphapiauditevents-table.md.

Updated Microsoft Defender documentation in defender-xdr/whats-new.md.

Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-identityaccountinfo-table.md.

Updated Microsoft Defender documentation in defender-xdr/okta-attack-disruption.md.

Updated Microsoft Defender documentation in defender-xdr/whats-new-in-microsoft-defender-urbac.md.

Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-schema-tables.md.

Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-schema-tables.md.

Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-schema-tables.md.

Microsoft Defender XDR will add six new built-in alert tuning rules for Microsoft Defender for Endpoint starting February 8, 2026, to reduce low-priority alerts. Rules are visible for review until February 18, then activate by default but can be disabled anytime by admins. No action needed for default use.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/api/ti-indicator.md.

Updated Microsoft Defender documentation in defender-endpoint/api/ti-indicator.md.

Updated Microsoft Defender documentation in defender-endpoint/android-configure.md.

Removed Microsoft Defender documentation in defender-endpoint/ios-whatsnew.md.

Updated Microsoft Defender documentation in defender-endpoint/linux-preferences.md.

Updated Microsoft Defender documentation in defender-endpoint/linux-preferences.md.

Updated Microsoft Defender documentation in defender-endpoint/api/device-health-export-antivirus-health-report-api.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-linux.md.

Updated Microsoft Defender documentation in defender-endpoint/run-analyzer-macos.md.

Updated Microsoft Defender documentation in defender-endpoint/api/api-hello-world.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/android-new-ux.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.

Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-create-app-partners.md.

Updated Microsoft Defender documentation in defender-endpoint/android-new-ux.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/linux-install-manually.md.

Updated Microsoft Defender documentation in defender-endpoint/android-new-ux.md.

Updated Microsoft Defender documentation in defender-endpoint/mde-linux-prerequisites.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.

Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-create-app-webapp.md.

Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-create-app-webapp.md.

Updated Microsoft Defender documentation in defender-endpoint/android-new-ux.md.

Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-create-app-webapp.md.

Updated Microsoft Defender documentation in defender-endpoint/mde-linux-prerequisites.md.

Updated Microsoft Defender documentation in defender-endpoint/mde-linux-prerequisites.md.

Updated Microsoft Defender documentation in defender-endpoint/mde-sec-ops-guide.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.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/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/msda-updates-previous-versions-technical-upgrade-support.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-antivirus-updates.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/mde-linux-prerequisites.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/mde-linux-prerequisites.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/defender-deployment-tool-windows.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/machines-view-overview.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/mde-linux-prerequisites.md.

Updated Microsoft Defender documentation in defender-endpoint/schedule-anti-virus-scans-linux.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/device-timeline-event-flag.md.

Updated Microsoft Defender documentation in defender-endpoint/device-timeline-event-flag.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/configure-libraries-live-response.md.

Updated Microsoft Defender documentation in defender-endpoint/machines-view-overview.md.

Updated Microsoft Defender documentation in defender-endpoint/api/upload-library.md.

Updated Microsoft Defender documentation in defender-endpoint/api/exposed-apis-full-sample-powershell.md.

Updated Microsoft Defender documentation in defender-endpoint/api/run-advanced-query-sample-powershell.md.

Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-antivirus-updates.md.

Updated Microsoft Defender documentation in defender-office-365/migrate-to-defender-for-office-365-setup.md.

Updated Microsoft Defender documentation in defender-office-365/mdo-integrate-security-service.md.

Updated Microsoft Defender documentation in defender-office-365/step-by-step-guides/defense-in-depth-guide.md.

Updated Microsoft Defender documentation in defender-office-365/attack-simulation-training-insights.md.

Updated Microsoft Defender documentation in defender-office-365/step-by-step-guides/defense-in-depth-guide.md.

Updated Microsoft Defender documentation in defender-office-365/mdo-deployment-guide.md.

Updated Microsoft Defender documentation in defender-office-365/submissions-user-reported-messages-custom-mailbox.md.

Updated Microsoft Defender documentation in defender-office-365/attack-simulation-training-faq.md.

Updated Microsoft Defender documentation in defender-office-365/attack-simulation-training-faq.md.

Updated Microsoft Defender documentation in defender-office-365/mdo-sec-ops-guide.md.

Updated Microsoft Defender documentation in defender-office-365/attack-simulation-training-insights.md.

Updated Microsoft Defender documentation in defender-office-365/step-by-step-guides/defense-in-depth-guide.md.

Updated Microsoft Defender documentation in defender-office-365/mdo-deployment-guide.md.

Updated Microsoft Defender documentation in defender-office-365/quarantine-about.md.

Updated Microsoft Defender documentation in defender-office-365/secure-by-default.md.

Updated Microsoft Defender documentation in defender-for-identity/security-posture-assessments/certificates.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new-archive.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new-archive.md.

Updated Microsoft Defender documentation in defender-for-identity/advanced-settings.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.

Updated Microsoft Defender documentation in defender-for-identity/security-posture-assessments/accounts.md.

Updated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.

Updated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.

Updated Microsoft Defender documentation in defender-for-identity/alerts-xdr.md.

Updated Microsoft Defender documentation in defender-for-identity/troubleshooting-known-issues.md.

Updated Microsoft Defender documentation in defender-for-identity/health-alerts.md.

Updated Microsoft Defender documentation in defender-for-identity/troubleshooting-known-issues.md.

Updated Microsoft Defender documentation in defender-for-identity/security-posture-assessments/accounts.md.

Updated Microsoft Defender documentation in defender-for-identity/security-posture-assessments/accounts.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/deploy/configure-windows-event-collection.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/deploy/configure-windows-event-collection.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/whats-new.md.

Updated Microsoft Defender documentation in defender-for-identity/deploy/configure-windows-event-collection.md.

Updated Microsoft Defender documentation in defender-for-identity/deploy/configure-windows-event-collection.md.

Updated Microsoft Defender documentation in defender-for-identity/deploy/configure-windows-event-collection.md.

Updated Microsoft Defender documentation in defender-for-identity/deploy/configure-windows-event-collection.md.

Updated Microsoft Defender documentation in defender-for-identity/security-posture-assessments/accounts.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/release-note-archive.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/tutorial-suspicious-activity.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/release-notes.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/release-notes.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/tutorial-suspicious-activity.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/tutorial-suspicious-activity.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/tutorial-suspicious-activity.md.

Removed Microsoft Defender documentation in defender-for-cloud-apps/security-saas.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/enable-instant-visibility-protection-and-governance-actions-for-your-apps.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/enable-instant-visibility-protection-and-governance-actions-for-your-apps.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/enable-instant-visibility-protection-and-governance-actions-for-your-apps.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/enable-instant-visibility-protection-and-governance-actions-for-your-apps.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/enable-instant-visibility-protection-and-governance-actions-for-your-apps.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/protect-github.md.

Updated Microsoft Defender documentation in defender-for-cloud-apps/get-started.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception.md.

Removed Microsoft Defender documentation in defender-vulnerability-management/whats-new-in-microsoft-defender-vulnerability-management.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/whats-new-in-microsoft-defender-vulnerability-management.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-vulnerable-devices-report.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-vulnerable-devices-report.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/whats-new-in-microsoft-defender-vulnerability-management.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/whats-new-in-microsoft-defender-vulnerability-management.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/whats-new-in-microsoft-defender-vulnerability-management.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in defender-vulnerability-management/tvm-exception-overview.md.

Updated Microsoft Defender documentation in unified-secops-platform/virus-initiative-criteria.md.