Biometric authentication is a security process that compares a person’s characteristics to a stored set of biometric data in order to grant access to buildings, applications, systems, and more. With cybercrime, fraud, and identity theft on the rise, it’s more important than ever for businesses to help customers and employees verify their identity, and biometric authentication has become one of the most trustworthy methods. Before we dive too deeply into how biometrics work, their security considerations, and who uses them, let’s get a few definitions out of the way: Biometrics The measurement and analysis of an individual’s physical and behavioural characteristics. Biometric data A collection of physical and behavioural characteristics (e.g., a fingerprint, voice, or keystrokes). Biometric identification The process of using biometric data to confirm a person’s identity. So how exactly do biometrics fit into authentication? In order to securely gain access to applications and services, users should.