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Security Implications of Biometrics

Colin Dougherty. Security Implications of Biometrics. What is it?. Oldest form of identification Unique identifiers…not secrets!. Examples of Biometrics. Physiological Face Fingerprint Iris and Retinal Hand Veins DNA Behavioral Voice Signature. Comparison of Biometrics.

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Security Implications of Biometrics

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  1. Colin Dougherty Security Implications of Biometrics

  2. What is it? • Oldest form of identification • Unique identifiers…not secrets!

  3. Examples of Biometrics • Physiological • Face • Fingerprint • Iris and Retinal • Hand Veins • DNA • Behavioral • Voice • Signature

  4. Comparison of Biometrics • Uniqueness • Permanence • Collectability • Performance • Circumvention

  5. Facial Recognition Primer • Principal components analysis • Viisage’s “EigenFaces”

  6. Real World • Error Rates • False Positives • False Negatives • Airport Biometrics • Face Recognition

  7. Fujistu’s Palm Vein Biometric • Infrared Rays • False Negative = 0.01% • False Positive = 0.00008%

  8. Attacks and More Problems • Verify accuracy and input correctly • Replay Attacks • Human Risk • Poor Failure • Cancelable Biometrics

  9. MythBusters • Defeat a Fingerprint Scanner • Copy of the fingerprint etched in latex. • Ballistics gel copy of the fingerprint. • Paper copy the fingerprint.

  10. Summary • Security is in layers • Biometrics have strengths • Biometrics have weaknesses • Biometrics are unique identifiers not secrets!

  11. Sources • Secrets & Lies, Digital Security in a Networked World. Bruce Schneier. John Wiley & Sons, 2000 • Jonathan Kent. BBC News, Kuala Lumpur: http://news.bbc.co.uk/2/hi/asia-pacific/4396831.stm • Worcester Polytechnic Institute. Viisage http://www.wpi.edu/News/Transformations/2002Spring/recognition.html

  12. Questions • What are two ways of comparing different Biometrics? • Fill in the blank: Biometrics are unique identifiers not ___________!

  13. Colin Dougherty Security Implications of Biometrics

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