Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

If Passive Mode is enabled, Microsoft Defender Antivirus scans files without taking action. It finds and reports malware and security threats to your security console, but it does not quarantine files ...

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