主题： antivirus

• Microsoft Defender Antivirus on Windows Server from PowerShell

  Get-MpComputerStatus, Update-MpSignature, Start-MpScan and Get-MpPreference cover status, signature freshness, on-demand scanning and exclusion review from the command line; the least-exclusions principle applies because every exclusion is unscanned surface, and detections land in the Windows Defender event log and Get-MpThreatDetection.

  methodology · en · reviewed · 知识截至 2026-09-24

机器可读： JSON