3 papers
cs.CR2025
CSI2Dig: Recovering Digit Content from Smartphone Loudspeakers Using Channel State Information
Yangyang Gu, Xianglong Li, Haolin Wu +4
Eavesdropping on sounds emitted by mobile device loudspeakers can capture sensitive digital information, such as SMS verification codes, credit card numbers, and withdrawal passwor…
cs.CR2025
WAFBOOSTER: Automatic Boosting of WAF Security Against Mutated Malicious Payloads
Cong Wu, Jing Chen, Simeng Zhu +3
Web application firewall (WAF) examines malicious traffic to and from a web application via a set of security rules. It plays a significant role in securing Web applications agains…
cs.CR2025
SCR-Auth: Secure Call Receiver Authentication on Smartphones Using Outer Ear Echoes
Xiping Sun, Jing Chen, Kun He +5
Receiving calls is one of the most universal functions of smartphones, involving sensitive information and critical operations. Unfortunately, to prioritize convenience, the curren…