Why use biometrics?

Why use biometrics

Unlike the use of other forms of authentication, such as passwords or tokens, biometric recognition provides a strong link between an individual and a data record.

One area where biometrics can provide substantial help is in guarding against attempts to fraudulently establish multiple identities. By searching through the enrolled biometric references, individuals who appear to have previously enrolled using a different identity can be highlighted for further investigation. It is very difficult to perform this type of check without the use of biometrics.

Selection of a suitable biometric product for a particular application is not simple. The choice depends greatly on the system requirements such as:

  • Accuracy of discrimination between individuals  
  • Speed of operation  
  • The ability to deal with present and future numbers of individuals 
  • Environmental robustness  
  • Ease of use  
  • Wide accessibility by the intended population of users, e.g. young and old, short and tall
  • Social acceptability, i.e. people are happy to use it  
  • Secure and robust against potential attackers.

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