Over 1 billion Windows users at risk after disgruntled security research leaks Defender zero-days

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

New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges

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

Microsoft cautions new Windows 11 / 10 ISO installs must have this Defender update0 0

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 ...
Forbes

Hackers Bypass Windows Defender Security — What You Need To Know

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...