Using Inaudible Audio and Voice Assistants to Transmit Sensitive Data over Telephony. - Zhengxian He; Mohit Narayan Rajput; Mustaque Ahamad (CoRR, 2020)

Compromised Computers Meet Voice Assistants: Stealthily Exfiltrating Data as Voice over Telephony. - Zhengxian He; Mohit Narayan Rajput; Mustaque Ahamad (DSN, 2021)