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- research-articleDecember 2024
RefleXnoop: Passwords Snooping on NLoS Laptops Leveraging Screen-Induced Sound Reflection
CCS '24: Proceedings of the 2024 on ACM SIGSAC Conference on Computer and Communications SecurityPages 3361–3375https://doi.org/10.1145/3658644.3670341Password inference attacks by covert wireless side-channels jeopardize information safety, even for people with high security awareness and vigilance against snoopers. Yet, with limited spatial resolution, existing attacks cannot accurately infer ...
- research-articleNovember 2023
Password-Stealing without Hacking: Wi-Fi Enabled Practical Keystroke Eavesdropping
CCS '23: Proceedings of the 2023 ACM SIGSAC Conference on Computer and Communications SecurityPages 239–252https://doi.org/10.1145/3576915.3623088The contact-free sensing nature of Wi-Fi has been leveraged to achieve privacy breaches, yet existing attacks relying on Wi-Fi CSI (channel state information) demand hacking Wi-Fi hardware to obtain desired CSIs. Since such hacking has proven ...
- research-articleNovember 2021
Periscope: A Keystroke Inference Attack Using Human Coupled Electromagnetic Emanations
CCS '21: Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications SecurityPages 700–714https://doi.org/10.1145/3460120.3484549This study presents Periscope, a novel side-channel attack that exploits human-coupled electromagnetic (EM) emanations from touchscreens to infer sensitive inputs on a mobile device. Periscope is motivated by the observation that finger movement over ...
