BitLocker recovery key is a full-disk encryption feature in Microsoft Windows Pro and Enterprise operating systems. It is a unique 48-digit numerical password that ...

Windowsのファイルシステム暗号化機能である「BitLocker」は、PCのセキュリティを高めてくれる反面、知らないうちに有効になっていて、突然聞いたこともない「回復キー」が求められPCを起動できなくなる、といったトラブルに遭うケースが少なくない。

問題の発端は2026年4月初旬に配布されたBIOSのバージョン01.04.05 Rev Aだ。HP ZBook Ultra G1aを含む高級ワークステーションのユーザーがコミュニティフォーラムに相次いで障害を報告し、アップデート後にシステムが起動ロゴ画面で停止してしまうと訴えた。

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.

BitLocker is an integral part of Windows 11's security, and it works best when it's configured and managed properly. When you purchase through links on our site, we may earn an affiliate commission.

The Windows 10 KB5058379 cumulative update is triggering unexpected BitLocker recovery prompts on some devices afters it's installed and the computer restarted. On May 13, Microsoft released the ...

BitLocker locked me out of my PC after a system update, but the recovery key saved me. I found it on my Microsoft account under the device’s details and used it to unlock each encrypted drive. It’s a ...

Microsoft has confirmed that some Windows 10 and Windows 10 Enterprise LTSC 2021 systems will boot into BitLocker recovery after installing the May 2025 security updates. The BitLocker Windows ...

It's possible that you don't realize how much Microsoft has expanded automatic device encryption. This is especially the case starting with the Windows 11 version 24H2 build, which triggers the ...