Colin Dougherty
What is it? Oldest form of identification Unique identifiers…not secrets!
Examples of Biometrics Physiological
FaceFingerprintIris and RetinalHand VeinsDNA
BehavioralVoiceSignature
Comparison of Biometrics Uniqueness Permanence Collectability Performance Circumvention
Facial Recognition Primer Principal components analysis Viisage’s “EigenFaces”
Real World Error Rates
False PositivesFalse Negatives
Airport BiometricsFace Recognition
Fujistu’s Palm Vein Biometric Infrared Rays False Negative = 0.01% False Positive = 0.00008%
Attacks and More Problems Verify accuracy and input correctly Replay Attacks Human Risk Poor Failure
Cancelable Biometrics
MythBusters Defeat a Fingerprint Scanner
Copy of the fingerprint etched in latex.Ballistics gel copy of the fingerprint.Paper copy the fingerprint.
Summary Security is in layers
Biometrics have strengths
Biometrics have weaknesses
Biometrics are unique identifiers not secrets!
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
Questions What are two ways of comparing
different Biometrics?
Fill in the blank: Biometrics are unique identifiers not ___________!
Colin Dougherty