Encryption

PGP

For your e-mail you should use encryption, one such tool which provides several encryption algorithms is of course PGP.

• The International PGP Home Page
• OpenPGP.org - The OpenPGP Alliance Home Page
• Tom McCune's PGP Page
• Imad's PGP Page
• Public Key Servers

File/Disk Encryption

• ScramDisk - Free Disk Encryption Software
• Scramdisk - SamSimpson.com
• E4M
• Comparison of OTF encryption
• Snake Oil Warning Signs: Encryption Software to Avoid
• The Road Goes On Forever

IPSec

under construction

Kerberos

• Guard Your Data with Kerberos

Fun tools

• www.spammimic.com