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

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

Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are ...

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

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

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

The BlueHammer, RedSun and UnDefend flaws put all Windows users at risk since they turn the operating system’s antivirus ...

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SystemBC C2 exposed 1,570+ victims tied to The Gentlemen since July 2025, revealing expanding ransomware scale.

The Red Sun vulnerability repository. Contribute to Nightmare-Eclipse/RedSun development by creating an account on GitHub.

Chaotic Eclipse is at it again, this time releasing a zero-day for Microsoft Defender.

Leeds United and Everton Eye Free Transfer Opportunity in Defensive MarketTransfer windows often hinge on moments that feel ...