Greg In The Desert

Lifehacker compares Vista’s BitLocker vs. FileVault. They like BitLocker better.

OS Encryption Showdown: Vista’s BitLocker vs. Mac’s FileVault – Lifehacker

FileVault encrypts the users’s home directory and all the files in it. As you read and write files to your home directory, in the background, FileVault encrypts and decrypts those files on the fly. Only the user’s login password can decrypt and mount this drive image, so at login the home directory becomes available as usual – its icon, however, looks like a lock. To other users on the same Mac, however, all files in the user’s home directory cannot be accessed.

BitLocker doesn’t just encrypt the user’s files, it encryptes the entire operating system partition, including Windows files, all your software applications as well as all the users’ data stored on the drive. You create a USB key with the password on it and plug it into your PC in order to start it (like a key for your car.) BitLocker uses a small boot partition to check for the right password, and only boots up if it’s present. If not, the hard drive is completely inaccessible.

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