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Type: physical threat prevention security

Biometrics is a method of identifying an individual using a part of their physiological or behavioral uniqueness, biometrics are often used as an alternative to passwords. Biometric systems include eye scanners, fingerprint readers, voice recognition and others. The advantage biometrics has is that it is difficult to commit fraud against biometric security systems; this is because the individual is the key to access. Without the individual, gaining access via fraudulent biometric verification is very difficult. There are methods for committing fraudulent attacks on biometric security systems such as rubber finger which attempt to replicate an authorised userís finger, but this requires a lot of planning and preparation and the chance of success is unlikely.

Most biometric systems take a reading of an individualís unique identification e.g. a finger print, image of an eye or voice recording. This information is stored and when an individual attempts to get authorisation, all stored identifications are compared with the current individualís identification. If a match is made then authorisation is granted if not then authorisation will be denied. As human fingerprints and human eyes are unique it is possible to uniquely identify any individual using biometrics.

Biometric devices are considered a very high security implementation and depending of the method of biometrics it can be very expensive. However biometrics is arguably the most effective physical prevention security available, and once implemented it is relatively low maintenance. Biometrics can be used in both computer login and door access, by implementing biometrics in both areas it would be very difficult for an individual to gain access to an area or data they had not been authorised to access.