Defendnot tool exploits Windows features to disable Microsoft Defender without malware, highlighting a security flaw in antivirus registration and trust.

Compare Microsoft Defender Antivirus and McAfee features to find the best antivirus for you. Discover the right choice for your security needs.

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.

Microsoft is ending Windows 10 support for most users on October 14, 2025 and the company has been urging users to upgrade to Windows 11. But in what seems to be a tacit acknowledgment that a lot ...

What just happened? PC gamers recently encountered an unexpected issue when their computers triggered Windows Defender alerts due to a kernel-level driver called WinRing0. This software, used by ...

Microsoft’s Windows Defender thinks the tool underpinning popular PC monitoring software is a threat. Is it, and what happens next?

We explore how Windows Security and Microsoft Defender protect your Windows 11 computer and why you might want to consider an alternative.

Windows Defender does a decent job of blocking malware but lacks many of the protection features found in suites like Trend Micro Internet Security.

Tech expert Kurt “CyberGuy" Knutsson says a tech support scam used a fake Windows Defender pop-up, tricking the victim to call and download software.

Microsoft has confirmed a critical vulnerability in Windows Defender that could leak file content data but advised users to do nothing—here’s why.