this post was submitted on 13 May 2026
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Microsoft BitLocker-protected drives can now be opened with just some files on a USB stick — YellowKey zero-day exploit demonstrates an apparent backdoor (www.tomshardware.com)
submitted 1 day ago by throws_lemy@lemmy.nz to c/technology@lemmy.world
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YellowKey reportedly works in Windows 11, Windows Server 2022 and 2025, but not in Windows 10.

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[–] humanspiral@lemmy.ca 1 points 21 hours ago (2 children)

does bitlocker encrypt whole volume, or userdata folders? It's a performance issue to encrypt anything that doesn't need to be.

[–] InFerNo@lemmy.ml 2 points 11 hours ago

You can do full disk or folders

[–] 9tr6gyp3@lemmy.world 3 points 20 hours ago* (last edited 20 hours ago)

Its whole-volume encryption, not file encryption. Most modern CPUs have built-in AES-NI instructions so its not much of a performance penalty (as long as AES is used for encryption).