#Secure Boot
BlackX Bootkit Bypasses Secure Boot in Central Asian Espionage Campaign
Researchers have uncovered BlackX, a UEFI bootkit used against diplomatic organizations in Central Asia after attackers gained administrator access. The campaign shows that installed Windows updates do not...
Microsoft Secure Boot Certificates Expire — Over a Billion PCs and Linux Systems at Risk
Microsoft's original Secure Boot certificates have begun expiring as of June 24, 2026, affecting over a billion UEFI-capable PCs worldwide. Systems that fail to migrate to the 2023...
BitUnlocker: New Tool Breaks BitLocker on Patched Windows 11 Systems in Under 5 Minutes
A publicly released tool called BitUnlocker demonstrates a practical downgrade attack against BitLocker on fully-patched Windows 11 machines, exploiting a gap between CVE-2025-48804 patching and certificate revocation to...