Graphs talk the nature of biometrics
Biometrics is 'probabilistic' by nature since it measures unpredictably variable body features of living animals in ever changing environments.
– FAR and FRR are not the variables that are independent from each other, but are dependent on each other
– the lower a FAR is, the higher the corresponding FRR is. The lower a FRR, the higher the corresponding FAR.
--when a FAR is close to 0 (zero), the corresponding FRR remains close to 1 (one). When an FRR is close to 0 (zero), the corresponding FAR remains close to 1 (one).
– The presence of False Rejection, however close to 0 (zero), would require a fallback means against the False Rejection.
As for the consequences of being dependent on fallback measures, please refer to “Biometrics is to Password what Back door is to Front door”
Incidentally, the public should have learned the above from biometrics vendors and security professionals who tout biometrics, before hearing from us.
Key References
What these 2 graphs tell us about biometrics
“What we need to do for NOT achieving Solid Digital Identity”
Removal of Passwords and Its Security Effect
Negative Security Effect of Biometrics Deployed in Cyberspace
External Body Features Viewed as ‘What We Are’
![“Expanded Password System
wane = Only I can select all of
BS] them correctly
Broader choices with both images and characters accepted
i
Easy to manage relenons between accounts and corresponding passwords.
&
Torturous login is history. Login is now comfortable, relaxing and healing
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Additional References
For Achieving Solid Digital Identity on Information Security Buzz (Mar/2021)
What We Know for Certain about Authentication Factors
Digital Identity for Global Citizens
Image-to-Code Conversion by Expanded Password System
Summary and Brief History - Expanded Password System
Proposition on How to Build Sustainable Digital Identity Platform
Account Recovery with Expanded Password System
History, Current Status and Future Scenarios of Expanded Password System
Update: Questions and Answers - Expanded Password System and Related Issues
< Videos on YouTube>
Slide: Outline of Expanded Password System (3minutes 2seconds)
Digital Identity for Global Citizens (10minutes - narrated)
Demo: Simplified Operation on Smartphone for consumers (1m41s)
Demo: High-Security Operation on PC for managers (4m28s)
Demo: Simple capture and registration of pictures by users (1m26s)
Slide: Biometrics in Cyber Space - "below-one" factor authentication
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