Sensor data can be used to guess your PIN, unlock your phone
Turns out that those sensors in your smartphone that do all kinds of cool, magical things like give you directions, find your friends, let your Uber or Lyft driver find you, and a host of other conveniences have a not-so-cool downside.
Read more: Sensor data can be used to guess your PIN, unlock your phone
Story added 3. January 2018, content source with full text you can find at link above.