Bruce Schneier (born January 15, 1964) is an American cryptographer, computer security expert, and writer. He is the author of several books on computer security, and founder and CTO of Counterpane Internet Security, a computer security company. Originally from New York, he currently lives in Minneapolis, Minnesota with his wife Karen Cooper.
He writes a freely available monthly Internet newsletter on computer and other security issues, Crypto-Gram (see link below).
Schneier is frequently quoted in the press on computer and other security issues, generally pointing out the dismally frequent flaws in security and cryptographic techniques ranging from biometrics to the post-September 11 airline security measures.