2 papers
cs.CR2026
AirKey: Multimodal Acoustic-Assisted WiFi Sensing for Zero-Training Robust PIN Inference
BaiChuan Wu, Bin Liu, Xiang Zhang +6
Contactless keystroke inference via WiFi sensing highlights severe privacy threats, yet its real-world feasibility is hindered by two fundamental physical and deployment bottleneck…
cs.SD2025
SuperEar: Eavesdropping on Mobile Voice Calls via Stealthy Acoustic Metamaterials
Zhiyuan Ning, Zhanyong Tang, Juan He +4
Acoustic eavesdropping is a privacy risk, but existing attacks rarely work in real outdoor situations where people make phone calls on the move. We present SuperEar, the first port…