Biometrics are body measurements and calculations related to human characteristics. Biometric authentication is used in computer science as a form of identification and access control. It is also used to identify individuals in groups that are under surveillance.

What are examples of biometrics?

What does biometrics mean on my phone?

Unlike passwords or PINs, biometrics aren't saved in the network or passed around between devices and servers. Instead, biometrics protect other authentication information — usually a digital certificate or private key — and it's this protected information that is actually used to verify the user.