Biometric technologies generally refer to the use of technology to identify a person based on some aspect of their biology. Fingerprint recognition is one of the first and original biometric technologies that have been grouped loosely under digital forensics. Instead of using something you have (like a key) or something you know (like a password), biometrics uses who you are to identify you. Biometrics can use physical characteristics, like your face, fingerprints, irises or veins, or behavioral characteristics like your voice, handwriting or typing rhythm. So, there are two types of biometrics: Behavioral Biometrics and Physiological Biometrics. Fingerprint reader is most commonly and widely used biometric device now a day. It takes the impression of the finger to identify the uniqueness of a person. Biometrics is the analysis of unique biological and physiological characteristics with the aim of confirming a person's identity. The five most common types of biometric identifiers are: fingerprints, facial, voice, iris, and palm or finger vein patterns.

Gokul Pradeep

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