Remotely Scan TouchScreen Inputs with EM
2 months ago
- TESLA is a non-contact attack framework that captures EM signals from smartphone touchscreens to recover handwriting trajectories.
- The attack achieves 77% character recognition accuracy and a Jaccard index of 0.74, demonstrating high recognizability of recovered motion.
- The vulnerability exploits electromagnetic side-channel leakage during on-screen writing, posing a security risk to various commercial smartphones.