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TrueCrypt: Free encryption utility

Security is about controlling data. Gone are the days when administrators could build walls around their data. Mobility has broken down those walls. With your data mobile, your best method of protection is through encryption.

When it comes to encryption, many of the tools out there are either overkill or don't quite fit the bill. Personal and professional file-encryption utilities encrypt files just fine, but the mere presence of an encrypted file can be enough to tip off an intelligent hacker. Disk-level encryption systems do exist, but they are usually hardware-based, and can be too expensive for casual or noncommercial use.

TrueCrypt 4.1 is a free and open source encryption tool, for both Windows and Linux, that bridges a lot of the gaps left by conventional encryption applications. It lets you create a password-protected encrypted disk -- either in a standalone file, or on an entire physical partition or volume on a device -- which is then mounted, read and written to just like a regular drive. Any file and any device that can be mounted as a filesystem can be used, from regular hard disks to USB flash drives. TrueCrypt: Free encryption utility

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