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

Encrypting photos on the cloud to keep them private

The past decade has witnessed scandal after scandal over private images maliciously or accidentally made public. A new study from computer scientists at Columbia Engineering reveals what may be the first way to encrypt personal ...

Security

Combination of techniques could improve security for IoT devices

A multi-pronged data analysis approach that can strengthen the security of Internet of Things (IoT) devices—such as smart TVs, home video cameras and baby monitors—against current risks and threats has created by a team ...

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