About me

I am a Ph.D. candidate in the Department of Computer Science at Purdue University, advised by Prof. Bharat Bhargava. Before that, I received my M.S. in Computer Science at Columbia University in 2019 and B.E. in Computer Science and Technology at Northeastern University (Shenyang, China) in 2018.

Curriculum Vitae (updated Oct 2023), Chinese Version (updated Nov 2025)

News

• Oct 2025: “STARFed: Link-Aware Defense Against Poisoning Attacks in Satellite-Terrestrial Federated Learning” is accepted by IEEE TNSE
• Aug 2025: I am so excited and honored to attend the Secure Computation Workshop of “Cryptography 10 Years Later: Obfuscation, Proof Systems, and Secure Computation” program at Simons Institute and meet great cryptographers there!
• Sep 2024: I will present our latest results on collaborative attacks in autonomous UAV networks in NGTS-4, register and join if you are interested in it!
• Apr 2024: I passed my Ph.D. preliminary exam, I am a Ph.D. candidate now!
• Jun 2023: I am awarded the student travel grant to attend DSN’23. See you in Portugal!
• Mar 2023: “Breaking Geographic Routing Among Connected Vehicles” is accepted by DSN’23
• Mar 2023: “Dependent Misconfigurations in 5G/4.5 G Radio Resource Control” is accepted by CoNext’23
• Sep 2022: I will present our work “Security Analysis for Emerging Cellular Network Technologies” in AI-EDGE Institute Annual Meeting. See you at OSU!

Publications

Liu, Zizheng, Bharat K. Bhargava, and Nagender Aneja. “STARFed: Link-Aware Defense Against Poisoning Attacks in Satellite-Terrestrial Federated Learning.” IEEE Transactions on Network Science and Engineering (2025). [PDF]

Liu, Zizheng, Shaan Shekhar, and Chunyi Peng. “Breaking Geographic Routing Among Connected Vehicles.” In 2023 53rd Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), pp. 42-54. IEEE, 2023. (Acceptance rate: 47/235 = 20%) [PDF]

Zhang, Zhehui, Yanbing Liu, Qianru Li, Zizheng Liu, Chunyi Peng, and Songwu Lu. “Dependent Misconfigurations in 5G/4.5 G Radio Resource Control.” ACM CoNext 2023 (Proceedings of the ACM on Networking (PACMNET)) (2023). (Acceptance rate: 4/41 = 9.8%) [PDF]

Liu, Zizheng, and Chunyi Peng. “Security Analysis for Emerging Cellular Network Technologies.” NSF AI Institute for Future Edge Networks and Distributed Intelligence (AI-EDGE Institute) Annual Meeting (2022). [Poster PDF]

Liu, Zizheng, and Chunyi Peng. “Quality Measurement over Quality Data Reuse in Cellular Networks.” 2nd NSF Workshop on Overcoming Measurement Barriers to Internet Research (WOMBIR-2) (2021). [PDF]

Services

Reviewer: IEEE-Transactions on Information Forensics and Security, Computer Networks, Computer Communications

MISC

In my home in Beijing, I have a cute Shiba Inu. Her name is Little Puff (小泡芙).