Here’s an article from 2016 about the same team. In this attack, they use the sound of the fans instead of the vibration. The difference is, they would need mic

Here’s an article from 2016 about the same team. In this attack, they use the sound of the fans instead of the vibration. The difference is, they would need microphone permissions in infected smartphones, whereas the vibration method can be transmitted with accelerometers (which doesn’t require user’s permission) https://www.wired.com/2016/06/clever-attack-uses-sound-computers-fan-steal-data/ https://www.wired.com/2016/06/clever-attack-uses-sound-compu...