Security

Real-time Captcha technique improves biometric authentication

A new login authentication approach could improve the security of current biometric techniques that rely on video or images of users' faces. Known as Real-Time Captcha, the technique uses a unique "challenge" that's easy ...

Consumer & Gadgets

Children may overestimate smart speakers' abilities

Children overrate the intelligence of smart speakers—such as Alexa, Siri, or Google Home—and are uncertain if the systems can think like humans or not, research suggests.

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