Biometrics and beyond: Online authentication techniques get personal

It is now, apparently, the age of intelligent authentication. In the world of authentication techniques, security experts long have bemoaned the weakness of the password and username form of authentication security. But now it seems there are tools available to replace that system, ones that employ biometrics of all sorts, like voice, facial and behavioral recognition. These tools are quickly taking hold in a security field long on high alert, fighting increasingly clever and ruthless hackers.
One advantage of the biometric and behavioral authentication techniques: Their strength doesn’t rely on the user crafting (and recalling) a complex password.

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