Biometrics

Biometrics is the science of verifying and establishing the identity of an individual through physiological features or behavioral traits.

Physical Biometrics

 Fingerprint

 Hand Geometry

 Iris patterns

o Behavioral Biometrics

 Handwriting

 Signature

 Speech

 Gait

o Chemical/Biological Biometrics

 Perspiration

 Skin composition(spectroscopy)


Advantages of biometrics

�Uniqueness

�No need to remember passwords or carry tokens

�Biometrics cannot be lost, stolen or forgotten

�More secure than a long password

�Solves repudiation problem

�Not susceptible to traditional dictionary attacks