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

Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...

New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...

Windows Security (formerly Windows Defender) is the built-in antivirus tool bundled with the operating system. It has saved ...

Microsoft releases new Windows Defender update packages very frequently to protect against various newly discovered malware. Once a while every three months or so, the company also pushes out these ...

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

RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...

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

Windows 11 is an overencumbered, slop-filled mess. Microsoft keeps shoving new Copilot AI features into its operating system, ...

Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your ...