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Biometrics are automated methods of recognizing a person based on a physiological or behavioral characteristic. Among the features measured are face, fingerprints, hand geometry, handwriting, iris, retinal, vein, and voice.Biometric data are separate and distinct from personal information.iometrics are automated methods of recognizing a person based on a physiological or behavioral characteristic. Among the features measured are face, fingerprints, hand geometry, handwriting, iris, retinal, vein, and voice.
A biometric system that you plan to use as the single factor for authentication needs to offer more security than a system that you plan to use as a second or third factor. It's also important to take into account the environment the biometric authentication system will be used in.For example, fingerprint readers do not work well in environments where users' fingers are likely to be dirty. Similarly, voice recognition systems are not a good match for excessively noisy environments. # 3. better method is to adopt a two-factor authentication system. To authenticate, users have to supply a password (something they know) as well as information from a second factor â typically something they have, such as a one-time password generator token.