vibrations

Researchers say there's a risk that microphones and motion sensors in smartphones could make it possible to figure out information being typed on nearby keyboards. But media headlines that "hackers can work out your password" are a significant ... stretch. The research comes from the Darwin Deason Institute for Cyber Security at Southern Methodist University, based in Texas. It stemmed from the thought that smartphones could pick up sound in two ways: not just the sound waves in the air through the microphone, but vibrations such as on a table collected through the motion sensors in the phone. ... (view more)