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

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

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

Some Windows 11 users are running into a problem with Microsoft Defender. Reports from ITHome say Win 11 24H2 users noticed their virus definitions haven’t updated for a while Protect your data on ...

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