PGP offers an extensive commercial solution, covering a wide range of computer devices and media, but with a focus on the Windows platform.
TrueCrypt’s popular open source volume encryption solution is available for Linux and Windows.
EFS (Encryption File System) and BitLocker Drive Encryption
EFS is file-level encryption available on Windows 2000 and later Microsoft OSes. If used, be sure to archive private keys. BitLocker Drive Encryption will be available in forthcoming enterprise versions of Windows Vista. EFS can encrypt system volume and store key in TPM chip or on removable media.
This rights control solution allows documents to be controlled after they are published and distributed. The creator can choose who can e-mail, view, print, or copy protected content.
USB DataTraveler Elite Privacy
Kingston’s USB flash memory drive uses 128-bit AES hardware-based encryption, requires passwords, and has account lockout controls.
GuardianEdge Technologies Encrypt Anywhere Data Protection Platform
The U.S. Department of Veteran Affairs just chose GuardianEdge Technologies Encrypt Anywhere Data Protection Platform to help protect its data. It protects hard drives, laptops, PDAs, and removable media.
IronMountain Data Defense
Iron Mountain includes an agent that deletes data if a computing device cannot connect to the authentication server for a set period of time.
Hard drive encryption
Seagate’s encryption is built into the hard drive firmware.