The New York Times report that as everything around us becomes connected to the internet, from cars to thermometers to the stuff inside our mobile phones, technologists are confronting a tough new challenge: How does a machine verify the identity of a human being? Authentication has been a tough nut to crack since the early days of the web. And despite the notorious risks they carry, user names and passwords have held on. Now comes a new generation of authentication alternatives. Apple is said to be incorporating a fingerprint sensor in the new iPhone that it plans to introduce this...

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staff and wire services reports