Myths of biometrics

Here are some myths related to biometrics. There is some truth inside, but very often, it is wrong...

Biometrics is absolute security
Biometrics works for everyone
Generating a unique number from the biometric sample
(the Graal of biometrics)
Once compromised, a biometric trait cannot be reused
By extent, the problem of revocation
My system accuracy is 0.0001% FAR & 0.0001% FRR
A biometrics with an accuracy of 1/10 000
is identical to a 4 digit PIN code
Consumer biometric (fingerprint) systems can be used by police
Biometric systems are able to detect diseases
You can catch a cold by touching a biometric system (fingerprint)
Twins (and clones) have identical biometric traits
identical fingerprints, irises...
Stolen body parts can be reused.
Biometric feature can be reconstructed from the template
Making a fake finger is easy.
The inability of fingerprint systems
to enroll children and small Asian women
Iris recognition is extremely accurate
(and much more better than fingerprints)
Iris or retina identification uses a (dangerous) laser
Iris recognition uses the color of the eyes
so, cannot work with very dark eyes
Common erroneous medical beliefs concerning iris
It is possible to know the gender from a fingerprint
Geoslavery: biometrics enables to enslave work forces
What is the minimum group size to see a false match ?
birthday problem

These are attrative topics, aren't they ?



Voici quelques mythes à la peau dure qui existent en biométrie. Bien sûr, il y a du vrai, mais c'est souvent plutôt faux...