I have one external USB harddisk that I use for my entire documents backup. I take them with me during travelling but always leave it in my hotel room just in case if I lost or damage my laptop. So basically when I leave it, anyone can find it and plug it in any USB port and voila… he/she will have a full access of all my documents.
– Creates a virtual encrypted disk within a file and mounts it as a real disk.
– Encrypts an entire partition or storage device such as USB flash drive or hard drive.
– Encrypts a partition or drive where Windows is installed (pre-boot authentication).
– Encryption is automatic, real-time (on-the-fly) and transparent.
– Provides two levels of plausible deniability, in case an adversary forces you to reveal the password:
1) Hidden volume (steganography – more information may be found here).
2) No TrueCrypt volume can be identified (volumes cannot be distinguished from random data).
– Encryption algorithms: AES-256, Serpent, and Twofish. Mode of operation: XTS.
For more information go to their website at: http://www.truecrypt.org/
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