Security Upload Guide
UpdatedUpdated Microsoft Defender documentation in defender-xdr/security-upload-guide.md.
Day in brief
Security Upload Guide leads 50 Defender updates
6 January 2026 recorded 48 updated, 1 removed Microsoft Defender documentation changes and 1 relevant Message Center announcement. The most active areas were Endpoint, Defender XDR, Office 365.
- Security Upload Guide
Defender XDR · GeneralUpdated Microsoft Defender documentation in defender-xdr/security-upload-guide.md.
- Whats New
Exposure Management · Vulnerabilities and exposureUpdated Microsoft Defender documentation in exposure-management/whats-new.md.
- Configure Conditional Access in Microsoft Defender for Endpoint
Endpoint · Endpoint protectionUpdated Microsoft Defender documentation in defender-endpoint/configure-conditional-access.md.
- Step 1 - Prepere your environmnet
Unified SecOps · GeneralUpdated Microsoft Defender documentation in unified-secops-platform/playbook-mssps.md.
- Prerequisites Sensor Version 2
Identity · Identity protectionUpdated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-2.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
50 updates
Microsoft Defender XDR
20 updatesBehaviorEntities (Preview)
UpdatedUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-behaviorentities-table.md.
BehaviorInfo (Preview)
UpdatedUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-behaviorinfo-table.md.
Investigate Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/investigate-incidents.md.
Updated Microsoft Defender documentation in defender-xdr/threat-intel-briefing-agent-defender.md.
Manage Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/manage-incidents.md.
Manage Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/manage-incidents.md.
Investigate Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/investigate-incidents.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Updated Microsoft Defender documentation in defender-xdr/threat-intel-briefing-agent-defender.md.
Updated Microsoft Defender documentation in defender-xdr/threat-intel-briefing-agent-defender.md.
Manage Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/manage-incidents.md.
Investigate Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/investigate-incidents.md.
Manage Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/manage-incidents.md.
Manage Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/manage-incidents.md.
Investigate Incidents
UpdatedUpdated Microsoft Defender documentation in defender-xdr/investigate-incidents.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in defender-xdr/whats-new.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-behaviorentities-table.md.
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-behaviorinfo-table.md.
Microsoft Defender for Identity unified sensors (v3.x) will offer an opt-in feature from mid-January 2026 to automatically configure Windows event-auditing settings, simplifying deployment and ensuring consistent policy enforcement. Admins must enable it via UI or Graph API; rollout completes by end of January 2026.
Microsoft Defender for Endpoint
23 updatesUpdated Microsoft Defender documentation in defender-endpoint/configure-conditional-access.md.
Turn on network protection
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/enable-network-protection.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.
Web content filtering
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/web-content-filtering.md.
Device discovery overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/device-discovery.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.
Device Discovery
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/device-discovery.md.
Device Discovery
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/device-discovery.md.
Updated Microsoft Defender documentation in defender-endpoint/whats-new-in-microsoft-defender-endpoint.md.
Indicator File
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/indicator-file.md.
Updated Microsoft Defender documentation in defender-endpoint/manage-tamper-protection-intune.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.
Enable Network Protection
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/enable-network-protection.md.
Indicator File
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/indicator-file.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.
Linux Resources
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/linux-resources.md.
Manage Alerts
RemovedRemoved Microsoft Defender documentation in defender-endpoint/manage-alerts.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-versions.md.
Updated Microsoft Defender documentation in defender-endpoint/device-control-deploy-manage-intune.md.
Microsoft Defender for Office 365
2 updates
Updated Microsoft Defender documentation in defender-office-365/attack-simulation-training-get-started.md.
Updated Microsoft Defender documentation in defender-office-365/attack-simulation-training-get-started.md.
Microsoft Defender for Identity
2 updatesUpdated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-2.md.
Updated Microsoft Defender documentation in defender-for-identity/deploy/prerequisites-sensor-version-2.md.
Release Notes
UpdatedUpdated Microsoft Defender documentation in defender-for-cloud-apps/release-notes.md.
Whats New
UpdatedUpdated Microsoft Defender documentation in exposure-management/whats-new.md.
Updated Microsoft Defender documentation in unified-secops-platform/playbook-mssps.md.