Shield Predict Threats
UpdatedUpdated Microsoft Defender documentation in defender-xdr/shield-predict-threats.md.
Day in brief
Outbound Spam High Risk Delivery Pool About leads 20 Defender updates
22 April 2026 recorded 19 updated, 1 removed Microsoft Defender documentation changes. The most active areas were Endpoint, Office 365, Defender XDR.
- Outbound Spam High Risk Delivery Pool About
Office 365 · Email and collaborationUpdated Microsoft Defender documentation in defender-office-365/outbound-spam-high-risk-delivery-pool-about.md.
- Attack Surface Reduction Rules Reference
Endpoint · Vulnerabilities and exposureUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-reference.md.
- Manage and monitor attack surface reduction rulesEndpoint · Vulnerabilities and exposure
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-operationalize.md.
- Plan attack surface reduction rules deployment
Endpoint · Architecture and deploymentUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-plan.md.
- Shield Predict Threats
Defender XDR · GeneralUpdated Microsoft Defender documentation in defender-xdr/shield-predict-threats.md.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
20 updates
Microsoft Defender XDR
1 updateMicrosoft Defender for Endpoint
17 updatesASR rules overview
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-overview.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-deployment-operationalize.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-report.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment.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-windows-events.md.
Updated Microsoft Defender documentation in defender-endpoint/navigate-defender-endpoint-antivirus-exclusions.md.
Updated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint-releases.md.
Client Analyzer
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/overview-client-analyzer.md.
Updated Microsoft Defender documentation in defender-endpoint/defender-endpoint-false-positives-negatives.md.
Microsoft Defender Endpoint
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/microsoft-defender-endpoint.md.
Troubleshoot Asr
UpdatedUpdated Microsoft Defender documentation in defender-endpoint/troubleshoot-asr.md.
Troubleshoot Asr Rules
RemovedRemoved Microsoft Defender documentation in defender-endpoint/troubleshoot-asr-rules.md.
Updated Microsoft Defender documentation in defender-endpoint/attack-surface-reduction-rules-deployment-plan.md.
Microsoft Defender for Office 365
2 updatesUpdated Microsoft Defender documentation in defender-office-365/outbound-spam-high-risk-delivery-pool-about.md.
Scc Permissions
UpdatedUpdated Microsoft Defender documentation in defender-office-365/scc-permissions.md.