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Usable Biometrics

Usable Biometrics. Ashley Brooks Usability and Privacy 95-899 Cranor, Reiter, and Hong April 11, 2006. Outline. Biometric Basics What is Biometrics? Why use Biometrics? Model of Biometric system Types of Biometrics Evaluating Accuracy User Acceptance Advantages & Disadvantages.

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Usable Biometrics

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  1. Usable Biometrics Ashley Brooks Usability and Privacy 95-899 Cranor, Reiter, and Hong April 11, 2006

  2. Outline • Biometric Basics • What is Biometrics? • Why use Biometrics? • Model of Biometric system • Types of Biometrics • Evaluating Accuracy • User Acceptance • Advantages & Disadvantages

  3. Biometrics • Derived from the Greek words • “Bio”: Life • “Metric”: to measure • Measures and Analyzes characteristics • Physiological • Behavioral • Authentication

  4. Authentication • 2 major means for authentication • Identification • Verification • Identification vs. Verification • Question raised • Analysis • Uses

  5. Biometric Components

  6. Types of Biometrics • Physiological • Fingerprints • Face • Eyes • DNA • Behavioral • Voice • Keystroke

  7. Fingerprinting

  8. Face

  9. Eyes

  10. DNA

  11. Voice

  12. Key Stroke • Requires no special hardware • Methods are transparent to users increasing user acceptance • Can be used for cryptographically stronger secrets for login and encryption

  13. Accuracy • Usability Metrics • Failure to Enroll (FTE) • Failure to Acquire (FTA) • Performance Metrics • False Acceptance Rates (FAR) • False Rejection Rates (FRR)

  14. Failure to enroll (FTE) Medicine Intake Hoarseness Sticky fingers Cataract Rare skin diseases Failure to acquire (FTA) Smudged finger prints Retina alignment Mumbling Hand positioning Usability Metrics

  15. Performance Metrics

  16. User Acceptance • Socially acceptable • Knowledge of technology and computers • Acceptance of the concept • Usability • Security • Personal privacy

  17. Usability Considerations • Familiarity with characteristics • Experience with devices • Environment of use • Transaction Criticality

  18. Security Considerations • Biometrics are not secrets and are therefore susceptible to modified or spoofed measurements • There is no recourse for revoking a compromised identifier • Strategic Solutions • Liveness testing • Multi-biometrics

  19. Privacy Considerations • A reliable biometric system provides an irrefutable proof of identity • Threatens individuals right to anonymity • Cultural concerns • Religious concerns • Violates civil liberties • Strategic Solutions • Biometric cryptosystems • Transparency

  20. Advantages • Reduces cost within organizations • Increases security • Competitive advantage • Convenience to employees • Non-repudiation • Eliminates a paper trail

  21. Disadvantages • Accuracy of Performance • Failure to enroll rate • Information Abuse • May violate privacy

  22. Conclusion • Biometrics is a technology that can simplify the process of authentication • Biometrics can be best used in situations where specific identity or exception identity is desired

  23. References • Tynan, Dan, “Biometrics: from Reel to Real” www.pcworld.com/resource/printable/article/o,aid,120889,00.asp • Yudkowsky, Chaim, “Byte of Success”, http://accounting.smartpros.com/x40536.xml • http://perso.wanadoo.fr/fingerchip/biometrics/movies.htm • Biometrics http://searchsecurity.techtarget.com/sdefinition/0,,sid14_gci211666,00.html • International Biometric Group, http://www.biometricgroup.com/reports/public/reports/ • Patrick, Andrew S., “Usability and Acceptability of Biometric Security Systems” , Institute for Information Technology National Research Council • Biometric Assessment Benefits http://www.ax-sbiometrics.com/riskans.htm • Bioidentification http://www.bromba.com/faq/biofaqe.htm • Fact sheet http://www.jrc.cec.eu.int/download/press/20050330_biometrics_fact_sheet.pdf

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