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Biometric verification is an identity authentication process used to confirm a claimed identity through uniquely identifiable biological traits, such as fingerprints and hand geometry.
It is designed to allow a user to prove his or her identity by supplying a biometric sample and associated unique identification code in order to gain access to a secure environment.
Techopedia Explains Biometric Verification
Biometric verification is used in lieu of the username-password authentication scheme, as it is nearly impossible to replicate a person’s biological signatures, unlike usernames, which can be guessed or stolen. It is one of the most secure authentication systems available.
The process starts with the retrieval of a biometric sample via a scan of the attribute chosen for identification, such as fingerprints, hand geometry, iris patterns, facial geometry or voice patterns. The sample is then compared to a database of known authorized personnel, and when that sample comes out positive, the user is asked to authenticate using the unique identification code associated with the sample. When both parameters match, access is granted. This is standard for what is called a two-step verification process, where access requires two parameters.
