Prick up your ears! There's a new biometric in town  - ears - Prick up your ears! There’s a new biometric in town

Forget fingerprints, facial recognition, or retina scans.

Boffins at NEC say that they have developed a biometric technology that can identify individuals by differences in their .

Apparently ear acoustic authentication already exists, but it’s not a great solution because it is audible and can be uncomfortable for the person on the receiving end of the aural examination.

NEC, however, says that its recognition technology, which “identifies individuals by measuring the differences in the shapes of ear cavities with sound,” uses frequencies that can be heard by dolphins, dogs, and bats, but are beyond the range of human ears.

Silent test  - silent test - Prick up your ears! There’s a new biometric in town

The technology, which was developed in cooperation with Nagaoka National College of Technology, will be available by the end of the year according to NEC.

What they don’t reveal is just how reliable their technology is as a of authenticating an individual. After all, an important consideration for any authentication check is how often does it fail (either through allowing bad guys in, or keeping good guys out)

My suspicion is that if, say, a high street bank tried to adopt the technology for its telephone banking it might find it hard not to continue to offer traditional “password-style” authentication as a fall-back for those who claim to have a poor quality telephone line, or have excessively hairy ears, or some other reason why ear authentication simply isn’t appropriate.

Furthermore, another worry I might have is if my “ear print” were ever to fall into the hands of unauthorised parties (we’ve seen that happen with fingerprints before). Passwords can be changed anytime I like. Good luck switching your ears to a new pair.

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About the author, Graham Cluley

Graham Cluley is a veteran of the anti-virus industry having worked for a number of companies since the early 1990s when he wrote the first ever version of Dr Solomon’s Anti-Virus Toolkit for Windows. Now an independent analyst, he regularly makes media appearances and gives presentations on the topic of computer security and online privacy.

Follow him on Twitter at @gcluley, or drop him an email.

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