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Biometric Login - A Gateway to the Electronic World
This entry was posted on September 12, 2013.
Today, your computer offers you choices - enter a password, swipe your finger or scan your retina or even your entire face - to access your machine. This resolves a major issue for many of us, that of memorizing passwords. Swiping a finger or scanning the retina is so much more convenient than remembering complicated passwords. Such authentication techniques that rely on measurable physical characteristics and can be automatically checked are called biometrics, and biometric systems are increasingly becoming our gateway to the electronic world.
Several physical characteristics can be used as a key for biometric login. Different biometric devices are designed to capture varied characteristics effectively. Commonly used biometric identification schemes include face, fingerprint, retina, iris and voice. Biometric systems analyse your biometric feature and cross-reference it with an existing database to determine who you are. Based on your identity, it authorizes you different levels of access.
Sophisticated fingerprint scanners, retina scanners and voice recognition machines are now being designed and manufactured to be used across a range of security systems. Biometric computer security systems, attendance systems and hospital record systems have already proliferated our security structures and mechanisms.
Biometric logins are most definitely a far superior option to passwords but there was a spell in the infancy of this technology when malicious individuals found a way around this security system. Using the trail of biometric signatures left behind, fingerprint patterns and voice commands were simulated and used to bypass the biometric systems. However, biometric security experts have found a way to circumvent this issue by way of live finger detection.
Live finger or spoof detection is a sensor technology built into most biometric fingerprint scanners today. These optical scanners can differentiate between actual fingerprints and replicas using active sensing technology, ensuring maximum biometric computer security. These sensors also offer the additional advantage of being immune to electrostatic discharge damage, thus ensuring a prolonged lifespan of the fingerprint scanner.