Smartphone accelerometer vulnerability to sound?

Research showing how accelerometers can be hacked has recently come to attention. Accelerometers which are present in most smartphones of today are used to detect motion of a phone. Recent studies have shown how they can be manipulated using sound waves. This combined with previously reported issues with accelerometers such as using them as a basic microphone or as a method to decipher words from a nearby computer keyboard highlights an important challenge for cyber security.

Read more source: New York Times