Are you looking to encrypt your client’s (or your own) hard drive or USB flash drive? TrueCrypt is open source software that does on-the-fly encryption. It supports AES, Serpent, Twofish, and 5 cascaded algorithms. You can use TrueCrypt to encrypt files, folders, or even whole drives.
It’s fairly easy to use, secure, and best of all – FREE.
What is TrueCrypt?
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