One security researcher discovered a previously unpatched vulnerability in Windows and reported it to the Microsoft Security Response Center. However, they didn’t ...

The leak online of exploit code for an apparent Windows zero-day flaw dubbed "BlueHammer" could be the sign of a larger issue that security researchers face when collaborating with Microsoft on ...

On April 2, 2026, a security researcher using the name Chaotic Eclipse published a blog post stating that they were "doing it again." Under this warning, a link to a GitHub account page for a user ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, May 15, 2025: This story, originally published May 14, ...

Chaotic Eclipse, a security researcher and Microsoft nemesis, released a PoC exploit for a zero-day flaw that they claim will ...

When you think of cyberattacks that compromise your account security, maybe you envisage Microsoft zero-day vulnerabilities being exploited in your software, or perhaps a hacker using ...

This is the latest zero-day released by security researcher Nightmare Eclipse, despite Microsoft publicly threatening to take legal action against them.

Microsoft Windows Defender Exploit Guard is antimalware software that provides intrusion protection for Windows 10 OS users. Exploit Guard is available as a part of Windows Defender Security Center ...

Security researchers found a way to bypass various Microsoft security features and build a proof-of-concept version of the EternalBlue exploit that could infect devices with earlier versions of ...