Tuesday, November 15, 2022

Microsoft Defender AV: Update Signatures from PowerShell

 


Here's how to update your Microsoft Defender Antivirus signatures using PowerShell:
  • Open a PowerShell (or Terminal) as Administrator
  • Run the following command: Update-MpSignature -UpdateSource MicrosoftUpdateServer

Now just wait for the process to finish and you're done! :)

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