Hefty Crypto: RSA Conference 2003
Firewalls, fingerprints, and Mayan temples? Mike encounters all of this and more at the RSA Conference 2003 in San Francisco. [COMMENTARY] 16 Apr 2003

Encryption Tutorial
Julie dishes up the why and how of real-life data encryption, covering PGP and GnuPG, and using PHP and the mcrypt and mhash libraries. 11 May 2000

Online Privacy Update
MattMarg takes a look at the W3C's latest plans for keeping the private parts of your life under wraps. 15 Feb 2000

Protecting User Data
Users want privacy and the bennies of personalized sites. Collaborative filtering coupled with a technology-based privacy standard may be the answer. 4 Dec 1998

Keep Your Secret Plans Hidden (with Authentication)
Kristin shows how she keeps her devious plans for pranks on Mattmarg hidden by using authentication. 26 Feb 1997

bianca Talks Smut (and Age Verification)
Our pal bianca shares some strategies for ensuring the adulthood of your visitors. 19 Dec 1996

Is Your Sysadmin Watching You?
Matt shows how he could spy on his co-workers — if he were a highly unethical jerk, that is. 7 Feb 1997