TrueCrypt is an encryption program capable of creating encrypted partitions and file containers on your hard drive or USB stick. It also gives you the flexibility to hide the encrypted patitions from prying eyes. There are several algorithms to choose from, all use a 256 bit key, and all of them will encrypt your files nicely. TrueCrypt has the ability to remove/unencrypt partitions as well. Drives encrypted with this program can not be accessed on other systems that do not have TrueCrypt installed. If you forget your password, you lose your data.
The TrueCrypt homepage is located at http://truecrypt.org and the installer files can be found under "Downloads". After picking your "poison" so to speak, install TrueCrypt, insert external drives if needed, and run the program to setup your encrypted partitions or file containers.
Click "Create Volume" to get the process started. The program then prompts you to create an encrypted file container or volume on a partiton, volume type, volume location, encryption options, volume password (write this down), and format options (FAT for USB). You will be asked to wiggle your mouse within a window to increase cryptographic strength, and the process is completed.
TrueCrypt is a "true" security tool. It does not provide any way of recovering your password (what would be the point?), has the ability to hide protected partions, and it provides strong encryption. IMHO this is the best encryption program I have used, hands down. Builds are available for Linux, Windows, and Mac which makes it a good choice for all users.
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