Microsoft has addressed a known issue causing some Windows 11 systems to boot into BitLocker recovery after installing the April 2026 Windows security updates. BitLocker is a Windows security feature ...

A zero-day exploit circulating online allows people with physical access to a Windows 11 system to bypass default BitLocker protections and gain complete access to an encrypted drive within seconds.

A cybersecurity researcher has published proof-of-concept (PoC) exploits for two unpatched Microsoft Windows vulnerabilities named YellowKey and GreenPlasma, which are a BitLocker bypass and a ...

Microsoft has patched a BitLocker recovery bug, but the fix is exclusive to Windows 11 version 25H2, leaving Windows 10 users in the lurch.

Microsoft broke from its regular monthly patch schedule in late May 2026 to push an emergency fix for a vulnerability that can bypass BitLocker, the full-disk encryption tool built into Windows. The ...

Secure Boot protects modern Windows and Linux PCs. Microsoft Secure Boot certificates from 2011 expire in June 2026. Most PC owners are fine if they install the latest updates. Last year's ...

HP has confirmed a faulty BIOS update causing BitLocker recovery loops and boot failures on some Windows 11 commercial PCs ...

Microsoft added drive encryption to Windows with BitLocker, which is also intended to withstand physical attacks, thus intercepting cases where devices are stolen, for example. However, ...

Microsoft has released a temporary mitigation for YellowKey, a Windows zero-day that can reportedly bypass BitLocker protections.

Update 5/21: Since this article was released, recommend mitigations for YellowKey and other attacks have been released, as well as a full patch for BlueHammer. Nightmare-Eclipse, a cybersecurity ...

Let us see how to Turn On or Off BitLocker to encrypt or decrypt fixed and removable data drives in Windows 11/10. Select the radio button for how much of your drive to encrypt (Encrypt entire drive ...