Most modern Windows PCs rely on Microsoft Defender as their first line of defense against malware. Over the years, it has evolved into a capable and often underrated antivirus that blocks a wide range ...

In a proof-of-concept, a security researcher demonstrated how the Windows Security Center API can be used to block the scans by Microsoft’s built-in antivirus tool. Windows Defender can be tricked ...

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 ...

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed. The trick utilizes an undocumented Windows ...

There are times when you may want to turn off Windows Security. I'll show you how to (temporarily or permanently) disable it on Windows 11 Home and Pro. I also recommend creating a restore point, and ...

Unlike traditional attacks that rely on exploits, this succeeds through social engineering combined with abuse of Windows’ own security architecture. A sophisticated new malware campaign is ...

Akira ransomware is abusing a legitimate Intel CPU tuning driver to turn off Microsoft Defender in attacks from security tools and EDRs running on target machines. The abused driver is 'rwdrv.sys' ...

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

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