PrivateZone

PrivateZone is a strong, reliable and easy-to-use data encryption system for Windows 2000/XP/2003 Server.
This software can create a encrypted drive in your computer. You can use this drive just as your other drives. The difference is : all the data that saved in this drive will be automatically encrypted. This keeps your confidential data private in encrypted form to prevent unauthorized reading and information leaks.
PrivateZone provides you with transparent access from any application to the strongly encrypted data.
Using PrivateZone, you can keep your letters, databases, photos, musics, movies and other private information in encrypted form on your hard disks, removable media, CD ROMs, floppies or network disks - all within a standard operating environment.
PrivateZone uses 128bit AES(Advanced Encryption Standard) algorithm and SHA256(Secure Hash Algorithm) to protect your data.
PrivteZone alse provides a tool that erases files or directories after filling them with random data.