Defender's Boot Driver Becomes a Kernel Weapon
Researchers show how Windows' own BTR.sys can delete security software at boot, evading blocks.
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Researchers show how Windows' own BTR.sys can delete security software at boot, evading blocks.
GodDamn ransomware now exploits PoisonX, a Microsoft-signed kernel driver, to disable endpoint security, marking a critical escalation in evasion tactics.