byovd attack

Cybersecurity

8 Ransomware Groups Now Using This EDR-Bypassing Tool

August 9, 2025
Silhouette of a hooded figure facing a wall of blue and red digital code, suggesting hacking or cybersecurity.

A new advanced tool is being used by multiple ransomware groups to bypass endpoint security by exploiting vulnerable drivers and…

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BigTech Companies

Akira Ransomware Exploits CPU Tool to Bypass Microsoft Defender

August 8, 2025
Cyberpunk-style figure in a hooded coat holds a glowing red cube against a futuristic city backdrop.

A ransomware campaign exploits Intel's ThrottleStop driver (rwdrv.sys) to disable Microsoft Defender via BYOVD attacks, deploying a malicious driver (hlpdrv.sys)…

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