CyLab Biometrics Engineering & Public Policy Rebecca Balebako � October 9, 2014 y & c S a e v c i u r P r i t e y l b L a a s b U o 8-533 / 8-733 / 19-608 / 95-818: � b r a a t L o Privacy Policy, Law, and Technology y r C y U H D T T E P . U : / M / C C U . S P S C . 1
Today’s Agenda • Quiz • Discussion on Biometrics • Field trip to Biometrics lab 2
By the end of class, you should be able to: • Describe several types of biometrics and how they are used • Reason about privacy concerns related to biometrics 3
Types of biometrics • DNA • Odor • Ear • Signature • Iris matching • Typing patterns • Face recognition • Voice recognition • Fingerprint • Gait • Hand Geometry 4
Biometrics used for • Authentication – One to one matching • Identification – One to many matching • Security • Alternative to passwords 5
Privacy concerns of biometrics • If your biometrics are stolen or compromised, can not be reset or replaced • Can be detected without your cooperation – Surveillance • Creation of databases with information • Implicated in crimes 6
Other ethical concerns with biometrics • Only as good as the initial identification • Accuracy may differ in minority populations • Trade-off between false-positive and false- negative 7
Case Study • Biometrics in national identity cards – Which biometric? – When is it issued (e.g. at birth) – Why? – Why not? 8
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