BlueHammer became public on April 2 in an unusual fashion. A researcher using the names Chaotic Eclipse and Nightmare Eclipse ...

Earlier this year, Microsoft quietly deleted a post that argued Windows 11's built-in Microsoft Defender Antivirus was good ...

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.

CISA says ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability known as BlueHammer, as BleepingComputer reports. The flaw, tracked as CVE-2026-33825, was patched ...