Master Shredder is a files wiping utility. Files deleted by this software cannot be recovered by any third party software and hardware. It also helps you to erase all traces on computer: Typed and visited URLs in IExplorer and FireFox and many others
CryptoExpert mounts a volume file to create a password protected “virtual drive” that appears to applications and users like any other physical drive.
Crypt4Free (freeware) is files encryption software with ability to encrypt files and text messages. Support for ZIP files and ability to secure delete sensitive files. Skinnable user friendly interface.