Advanced Hunting Take Action
UpdatedUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-take-action.md.
3 July 2026
Week in brief
Advanced Hunting Take Action leads 3 Defender updates
Week of 29 June 2026 recorded 2 updated Microsoft Defender documentation changes and 1 relevant Message Center announcement. The most active areas were Defender XDR.
- Advanced Hunting Take Action
Defender XDR · Hunting and detectionUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-take-action.md.
- Advanced Hunting Emailattachmentinfo TableDefender XDR · Hunting and detection
Updated Microsoft Defender documentation in defender-xdr/advanced-hunting-emailattachmentinfo-table.md.
- Microsoft Defender: Automated investigation and response (AIR) integrated into antivirus with manual triggering removed
Defender XDR · Endpoint protectionStarting September 1, 2026, Microsoft Defender will remove manual triggering and the standalone experience of automated investigation and response (AIR). AIR's protection is integrated into always-on antivirus, running automatically. Organizations using AIR in playbooks or scripts must update them before this date; full antivirus scans replace manual AIR investigations.
For Defender administrators
Review the linked Microsoft Learn changes that apply to your managed platforms, policies, applications, and rollout plans. The archive preserves the source diff for verification.
This period briefing was assembled from the tracked Microsoft Learn and Message Center changes.
Updates this week
Microsoft Defender XDR
3 updatesUpdated Microsoft Defender documentation in defender-xdr/advanced-hunting-emailattachmentinfo-table.md.
3 July 2026
Starting September 1, 2026, Microsoft Defender will remove manual triggering and the standalone experience of automated investigation and response (AIR). AIR's protection is integrated into always-on antivirus, running automatically. Organizations using AIR in playbooks or scripts must update them before this date; full antivirus scans replace manual AIR investigations.
1 July 2026