The password technique in question is called a knock code. Such codes trace from ancient Greece to turn-of-the-century Russian prisons, in which a series of knocks or taps were equated with various ...

Smartphone owners who unlock their devices with knock codes aren't as safe as they think, according to new research. Smartphone owners who unlock their devices with knock codes aren't as safe as they ...

If you read/watch phone reviews, surely you've heard quite a few tech reviewers complain about the problem of phones with fingerprint sensors on the back of the device. Their gripe is that they can't ...

LG has confirmed that it is expanding its Knock Code security feature to more of its smartphones, starting with the flagship LG G2 and curved-screen G Flex in April. The system allows users to unlock ...

WASHINGTON (July 14, 2020)--Smartphone owners who unlock their devices with knock codes aren't as safe as they think, according to researchers from New Jersey Institute of Technology, the George ...