CISA has ordered U.S. federal agencies to patch a Microsoft Defender privilege escalation flaw (dubbed BlueHammer) that has ...

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft ...

A security researcher has published a working exploit for a Microsoft Defender security flaw that affects Windows 10, 11, and ...

We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what ...

Microsoft explains if Windows 11 needs third-party antivirus in 2026 as Defender matches top tools and AI-driven threats ...

The zero-day vulnerabilities in Windows Defender named BlueHammer, RedSun, and UnDefend are apparently being attacked.

In a blog post, Microsoft says Defender is enough for most Windows 11 users. No extra antivirus needed if you keep defaults ...

A security researcher known as Chaotic Eclipse recently disclosed a vulnerability dubbed "Red Sun" affecting Microsoft ...

The Huntress SOC is observing the use of Nightmare-Eclipse's BlueHammer, RedSun, and UnDefend exploitation techniques. Investigation by: @wbmmfq, @Curity4201, + @_JohnHammond 🧵👇 ...

The Windows Defender antivirus program, also known as Windows Security, comes installed with Windows 11/10. It is an antimalware scanning tool that lets you boot and scan from a trusted environment.

Windows 11 security is now complete, with Defender replacing third-party antivirus through built-in real-time and behavioral ...

When you launch Windows Security on Windows 11, you may see a message You’re using other antivirus providers. This prevents you from activating the Real-time protection of Windows Defender against ...