A look at BitLocker drive encryption in Windows Vista
BitLocker is a drive encryption technology designed to secure the contents of the entire hard drive from unauthorized access. Essentially, BitLocker uses the Encrypting File System (EFS) technology that allows users to encrypt individual files and applies that encryption to the entire hard drive. This prevents any access to the hard drive unless the BitLocker startup key is provided at the time the computer is booted, even if the drive has been removed and placed into another system or into an external enclosure.
This technology is ideal for systems containing highly sensitive information, and it’s ideal for any mobile system whose contents can’t be compromised in the event of theft.
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