What is bitlocker drive encryption7/28/2023 ![]() Usually there is a second key protector called the "recovery password" in place to unlock the drive in such cases, but you of course need to know that 48 character recovery password. When you try to boot from a different disk, this key release doesn't happen and the drive remains locked. ![]() In normal operation this is entirily transparent for the user, leading to a great user experience. This is because the main unlock key for the disk is stored in the TPM and is only released if a "proper" boot happens and is verified by the TPM. Bitlocker with just the TPM key protector protects you against all offline attacks (booting from another OS, tranferring the disk to another system, etc). ![]()
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