10 breakthroughs in IT security

Big ideas that altered the course of information security

Biometric identification through iris scans: The pattern of the iris in the human eye is as unique as a fingerprint, and British scientist John Daugman, teaching at Harvard at the time, in 1991 invented the "algorithm for iris recognition," which remains, with his further refinements, the basis for all automated iris-scanning systems in use today among 30 million people enrolled worldwide using them to prove identity.

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