In a report published by security company GuidePoint Security, they’ve issued a warning that hackers can effectively bypass Microsoft Defender to install and deploy Akira ransomware. This is done by ...

CISA says ransomware gangs are exploiting Microsoft Defender’s BlueHammer flaw, patched in April 2026 after zero-day reports.

Windows users should think about reinforcing their antivirus software. And while Microsoft Defender should provide a line of defense against ransomware, a new report claims that hackers have found a ...

Akira ransomware is abusing a legitimate Intel CPU tuning driver to turn off Microsoft Defender in attacks from security tools and EDRs running on target machines. The abused driver is 'rwdrv.sys' ...

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.

A Microsoft Defender vulnerability tracked as BlueHammer and CVE-2026-33825 is being exploited in ransomware attacks ...

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