Bruce Schneier is a computer security guru. He has authored a classic book on cryptography called Applied Cryptography.

Schneier runs a company called Counterpane Internet Security, Inc.

Crypto-Gram is a free monthly email newsletter on computer security and cryptography published by Bruce Schneier.

Schneier sometimes posts to news:comp.risks Usenet newsgroup. [ Google access]

comp.risks postings are archived by the Risks Digest.
Risks Digest is moderated by Peter Neumann.