Tech Explained: Biometrics

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If you have ever watched a modern spy movie, chances are at some point the hero will need to get past a security system operated using finger or hand prints, voice or iris print for confirmation. This is biometrics – technology that identifies a person based on physical or behavioural traits. Today, biometrics is not just the stuff of secret agents. Airports, hospitals, hotels, and even theme parks are increasingly using biometric security systems. Unlike keys and password-based systems, biometrics have the advantage that they are difficult to copy, and cannot be forgotten or misplaced. Although biometrics may seem complicated,…

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