Nandan Nilekani back at India's Infosys

Infosys cofounder Nandan Nilekani will take over immediately as the company's nonexecutive chairman, the Indian software giant said Thursday, a move to calm investor unrest and steady the share price.

Interpol: Use biometric data to find extremist fighters

Interpol urged all countries on Tuesday to obtain biometric data from fighters for the Islamic State and other extremist groups to help law enforcement track them down, especially when they return home.

Why fingers make handy, if not foolproof, digital keys

It sounds like a great idea: Forget passwords, and instead lock your phone or computer with your fingerprint. It's a convenient form of security—though it's also perhaps not as safe as you'd think.

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