Anyway, if you rely on BitLocker in TPM mode (boot without PIN), you should know that anyone can steal your computer, sniff 32 bytes off of the LPC bus, stick them into libbde, and decrypt your disk. Yes, it's that easy. Solder 7 wires to $favorite_fpga_board, decrypt drive.
BIOS boot passwords typically provide little security. If you're soldering wires to LPC to bypass BitLocker dumping the BIOS config and disabling the password is trivial.
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What about pre-boot fingerprint validation? I'm thinking about Thinkpads.
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My educated guess is it also isn't secure, but I don't know the implementation details of how they do FP validation.
End of conversation
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