Black & White Path

May 19, 2026 · Information Security

Is BitLocker Hiding a Deliberate Backdoor? Inside the YellowKey Bypass Attack

A security researcher released the YellowKey proof‑of‑concept showing that, on Windows 11 and Server 2022/2025, BitLocker can be bypassed without a password or recovery key by using a crafted USB and multiple reboots, sparking accusations that Microsoft may have embedded a backdoor in the WinRE component.