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HeatDeCam: Detecting Hidden Spy Cameras via Thermal Emissions
(CCS 2022) We developed an AI-driven detection framework for hidden surveillance cameras, leveraging their thermal emissions and unique heat patterns.
Zhiyuan Yu, Zhuohang Li, Yuanhaur Chang, Skylar Fong, Jian Liu, Ning Zhang
Code Dataset DOI Website
HeatDeCam: Detecting Hidden Spy Cameras via Thermal Emissions
When Evil Calls: Targeted Adversarial Voice over IP Network
(CCS 2022) We proposed an adversarial voice attacks delivered over VoIP and telephony networks.
Han Liu, Zhiyuan Yu, Mingming Zha, Xiaofeng Wang, Walliam Yeoh, Yevgeniy Vorobeychik, Ning Zhang
Code DOI
When Evil Calls: Targeted Adversarial Voice over IP Network
Towards Automated Computational Auditing of mHealth Security and Privacy Regulations
(CCS 2021) An interesting research investigating the potential of integrating computation and law auditing. We developed a security analysis framework based on the 2018 FDA draft guidance document and applied it on 182 FDA/CE-approved mHealth apps.
Brian Tung, Zhiyuan Yu, Ning Zhang
DOI
Towards Automated Computational Auditing of mHealth Security and Privacy Regulations
Bit2RNG: Leveraging Bad-page Initialized Table with Bit-error Insertion for True Random Number Generation in Commodity Flash Memory
(HOST 2020) We proposed a true random number generator (TRNG) rooted in physical characteristics of memory devices, leveraging bad pages and bit errors in NAND flash as the entropy source.
Wei Yan, Huifeng Zhu, Zhiyuan Yu, Fatemeh Tehranipoor, John Chandy, Ning Zhang, Xuan Zhang
DOI
Bit2RNG: Leveraging Bad-page Initialized Table with Bit-error Insertion for True Random Number Generation in Commodity Flash Memory
An example conference paper
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Zhiyuan Yu, Robert Ford
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An example conference paper