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Microsoft has announced the general availability (GA) of Auto-Remediation (AIR) for malicious files and URLs, significantly improving incident response efficiency. This feature automates the approval of remediation actions for suspicious files and URLs, reducing manual triage workloads.
You Should Know:
Key Features of AIR Auto-Remediation
- Automated Approval: Suspect files and URLs are auto-remediated without manual intervention.
- Improved Efficiency: Reduces investigation time by automating repetitive tasks.
- Integration with Microsoft Defender: Works seamlessly with Microsoft’s security ecosystem.
Practice-Verified Commands & Steps
For Windows (PowerShell):
Check if AIR is enabled in your Microsoft Defender:
Get-MpComputerStatus | Select-Object AntivirusEnabled, AntispywareEnabled
Enable auto-remediation (if not active by default):
Set-MpPreference -SubmitSamplesConsent 2 -AutoCleanupEnabled $true
For Linux (Audit & Remediation):
Check suspicious file hashes with `md5sum`:
md5sum /path/to/suspicious-file
Automate URL blocklisting with `iptables`:
sudo iptables -A INPUT -m string --string "malicious-domain.com" --algo bm -j DROP
For Incident Response Teams:
Extract URLs from logs using `grep`:
grep -Eo 'https?://[^"]+' /var/log/syslog | sort | uniq
Expected Workflow
1. Detection: Microsoft Defender identifies malicious files/URLs.
2. Automated Investigation: AIR analyzes the threat.
3. Auto-Remediation: Actions (quarantine, block) are auto-approved.
What Undercode Say
Auto-remediation is a game-changer for SOC teams, reducing response times from hours to seconds. However, ensure proper logging to avoid false positives. Key Linux commands like `journalctl` and `auditd` help track automated actions:
journalctl -u microsoft-defender --since "1 hour ago"
For Windows, use `Get-WinEvent` to review remediation logs:
Get-WinEvent -LogName "Microsoft-Windows-Windows Defender/Operational" | Where-Object {$_.ID -eq 1116}
Prediction
As AI-driven security grows, expect more SOC tasks to shift from manual to automated, with AIR-like systems becoming standard in enterprise security.
Expected Output
- Reduced incident resolution time.
- Lower dependency on manual triage.
- Enhanced threat containment.
Reference: Auto-Remediation in AIR (Microsoft Community Hub)
IT/Security Reporter URL:
Reported By: Cmurr Auto – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
