Want to know how to disable Windows Defender in Windows 11? In this step-by-step tutorial, I’ll show you how to turn off Microsoft Defender Antivirus and manage Windows Security settings on your ...

A researcher released ShieldCrash on September 8, claiming it bypasses Microsoft's Defender fix for flaw CVE-2026-69414.

Think Windows 11's antivirus is broken? Thankfully it isn't, although the app is suffering from a pretty frustrating bug.

The glitch, which Microsoft says it working to fix, creates an attacker opportunity by convincing users to ignore critical cybersecurity alerts.

Microsoft has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws. Aside from new Windows setup and recovery updates, Microsoft has also published a new ...

Microsoft released a new Defender update for Windows 10 and 11 ISO images. According to the company, this update must be deployed across all new Windows 11 and 10 installs. This past week Microsoft ...

Microsoft Defender (previously Windows Defender) has been a part of the Windows operating system since the early 2000s, with Microsoft improving and iterating on it up to the present — and presumably ...

An anonymous security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named ...

Windows Defender supports Windows XP, Windows 2000, and Windows Server 2003. Microsoft's Windows Defender product manager Mike Chan says the anti-spyware utility, which was originally acquired when ...

Zero-day researcher Nightmare Eclipse, aka MSNightmare, published yet another Microsoft Defender proof-of-concept exploit for ...

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 of ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...