Biometrics Technology Engine

A computer with an automatic facial recognition system shows German Interior Minister Thomas de Maiziere, center right, as he visits the Suedkreuz train station in Berlin, Friday, Dec. 15, 2017. At the train station, German authorities test automatic facial recognition technologies. (AP Photo/Markus Schreiber, pool)

Biometrics is about trade offs, not a silver bullet

The expansion of biometrics is all about trade offs between three categories: what you know, what you have and what you are.

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