GNUPG is a free, GPL'ed PGP replacement tool that was developed in Europe.
It uses ElGamal and Blowfish as cipher algorithms, and it conforms to OpenPGP.
It is beta software that works nicely on Linux and *BSD.
We give you the definition of encryption and tell you what encryption does view it
AES stands for Advanced Encryption System and it's a great way to secure your personal and private data view it
BitLocker in Windows 7 makes it easy to encrypt and protect your sensitive data. view it
You can encrypt your USB drive with TrueCrypt view it
Create an encrypted disk with software that comes on your Mac view it
Create a secret, hidden virtual drive on your computer with Truecrypt view it
Here's how to set up a wireless home network view it