Computer Security

Encryption

PGP

The "big name" in free encryption software

Snake Oil Warning Signs -- Encryption Software to Avoid, by Matt Curtin

Fortify

A Non-US encryption plugin for Macs by Farrell McKay

Security gurus and their work

Lance Spitzner's homepage

An ex- US Army officer who's into computer security. Lance has had several articles published in Inside Solaris.

Virii, Social Engineering Attacks and System Vulnerabibities

Trojan Defence Suite

IP Filter

A TCP/IP Packet Filtering package

Miscellaneous security links

The Tao of Backup

backup.com

An Internet-based backup service

Reflections on Trusting Trust by Ken Thompson

Shadow Penguin Security

XCP Security

Nomad Mobile Research Centre

pulltheplug

A whole lab's worth of machines running different OSes on which to practice your cracking skills, or just muck around.

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SAFER magazine

Data Overload

Data Smog