Q: Are Windows Defender warnings that pop up with a phone number legit? A: Microsoft’s built-in security tool has improved over the years, and it still blocks plenty of everyday threats. But the ...

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A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...

It might have a legit looking phone number, but that Windows Defender alert might be fake. Here's what to look out for.

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 ...

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 ...

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' ...

NEWTON, Mass. & PETACH TIKVA, Israel--(BUSINESS WIRE)--CyberArk (NASDAQ: CYBR) today announced a new integration between CyberArk Privileged Access Manager (PAM) and Microsoft Defender for Identity, ...