Updated Microsoft Defender documentation in defender-xdr/identity-security/password-protection.md.
Day in brief
Predefined classifications - Microsoft Security Research leads 60 Defender updates
18 March 2026 recorded 3 new, 56 updated, 1 removed Microsoft Defender documentation changes. The most active areas were Identity, Defender XDR, Endpoint.
- Predefined classifications - Microsoft Security Research
Exposure Management · Vulnerabilities and exposureUpdated Microsoft Defender documentation in exposure-management/predefined-classification-rules-and-levels.md.
- Migrate from sensor v2.x to sensor v3.x (Preview)
Identity · Identity protectionAdded Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
- Fixed Reported Inaccuracies
Vulnerability Management · GeneralUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.
- Password protection in Microsoft Defender
Defender XDR · Identity protectionUpdated Microsoft Defender documentation in defender-xdr/identity-security/password-protection.md.
- Attack Surface Reduction Rules Deployment Implement
Endpoint · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-implement.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
60 updates
Microsoft Defender XDR
9 updatesCoverage Maturity
UpdatedUpdated Microsoft Defender documentation in defender-xdr/identity-security/coverage-maturity.md.
Updated Microsoft Defender documentation in defender-xdr/identity-security/identity-security-recommendations.md.
Coverage Maturity
UpdatedUpdated Microsoft Defender documentation in defender-xdr/identity-security/coverage-maturity.md.
Password Protection
RemovedRemoved Microsoft Defender documentation in defender-xdr/identity-security/password-protection.md.
Added Microsoft Defender documentation in defender-xdr/advanced-hunting-cloudpolicyenforcementevents-table.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.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Microsoft Defender for Endpoint
8 updates
Mde P1 Setup Configuration
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/mde-p1-setup-configuration.md.
Updated Microsoft Defender documentation in defender-endpoint/streamlined-device-connectivity-urls-commercial.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.
Troubleshoot Asr
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-implement.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-test.md.
Scc Permissions
UpdatedUpdated Microsoft Defender documentation in defender-office-365/scc-permissions.md.
Microsoft Defender for Identity
36 updatesAdded Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Migrate To Sensor V3
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/migrate-to-sensor-v3.md.
Updated Microsoft Defender documentation in defender-for-identity/defender-for-identity-cyber-ark-overview.md.
Accounts
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/security-posture-assessments/accounts.md.
Added Microsoft Defender documentation in defender-for-identity/password-protection.md.
Manage and update sensors
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/sensor-settings.md.
Manage and update sensors
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/sensor-settings.md.
Sensor Settings
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/sensor-settings.md.
Password Protection
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/password-protection.md.
Sensor Settings
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/sensor-settings.md.
Sensor Settings
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/sensor-settings.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/activate-sensor.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/activate-sensor.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-3.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-3.md.
Updated Microsoft Defender documentation in defender-for-identity/investigate-domain.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/activate-sensor.md.
Connect Cyber Ark
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/connect-cyber-ark.md.
Updated Microsoft Defender documentation in defender-for-identity/defender-for-identity-cyber-ark-overview.md.
Updated Microsoft Defender documentation in defender-for-identity/defender-for-identity-cyber-ark-overview.md.
Updated Microsoft Defender documentation in defender-for-identity/investigate-domain.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-3.md.
Updated Microsoft Defender documentation in defender-for-identity/defender-for-identity-cyber-ark-overview.md.
Updated Microsoft Defender documentation in defender-for-identity/defender-for-identity-cyber-ark-overview.md.
Updated Microsoft Defender documentation in defender-for-identity/defender-for-identity-cyber-ark-overview.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-3.md.
Whats New Archive
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/whats-new-archive.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-3.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Deploy Defender Identity
UpdatedUpdated Microsoft Defender documentation in defender-for-identity/deploy/deploy-defender-identity.md.
Microsoft Defender for Cloud Apps
3 updates
Updated Microsoft Defender documentation in defender-for-cloud-apps/accounts.md.
Updated Microsoft Defender documentation in defender-for-cloud-apps/accounts.md.
Scoped Deployment
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/scoped-deployment.md.
Updated Microsoft Defender documentation in exposure-management/predefined-classification-rules-and-levels.md.
Updated Microsoft Defender documentation in exposure-management/predefined-classification-rules-and-levels.md.
Fixed Reported Inaccuracies
UpdatedUpdated Microsoft Defender documentation in defender-vulnerability-management/fixed-reported-inaccuracies.md.