Tracking Metro Riders Using Accelerometers on Smartphones

Motion sensors (e.g., accelerometers) on smartphones have been demonstrated to be a powerful side channel for attackers to spy on users’ inputs on touchscreen. In this paper, three security researchers reveal another motion accelerometer-based attack which is particularly serious: when a person takes the metro, a malicious application on her smartphone can easily use accelerator readings to trace her.

Read the full paper here – We Can Track You If You Take the Metro

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