Conference PaperStealthyIMU: Stealing Permission-protected Private Information From Smartphone Voice Assistant Using Zero-Permission SensorsSun, Ke; Xia, Chunyu; Xu, Songlin; Zhang, XinyuNetwork and Distributed System Security (NDSS) Symposium2023-01-01104705311-891562-83-5https://doi.org/10.14722/ndss.2023.240771901048San Diego, CA, USANational Science Foundation