Bio: I am currently a tenure-track faculty at CISPA Helmholtz Center for Information Security. Prior to that, I obtained my Ph.D. degree in the department of computer science at University of Virginia advised by Prof. David Evans in 2022. I received my M.S. degree from Department of Statistics at University of Virginia and my B.S. degree in Mathematics at Tsinghua University in 2017 and 2015, respectively. I am also a member of the European Laboratory for Learning and Intelligent Systems.

Research Interests: My research covers various topics in machine learning and security, including trustworthy machine learning, statistical machine learning, convex/non-convex optimization and deep learning. Recently, I focus on understanding the misbehavior of machine learning models against different adversaries and designing robust systems for various machine learning applications.

I am always looking for self-motivated students who are interested in trustworthy machine learning research, so I will be glad to hear from you.

Publications

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(2024). Stealthy Targeted Backdoor Attacks against Image Captioning. TIFS 2024.

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(2024). AutoDefense: Multi-Agent LLM Defense against Jailbreak Attacks. ArXiv.

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(2023). What Distributions are Robust to Indiscriminate Poisoning Attacks for Linear Learners?. NeurIPS 2023.

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(2023). Provably Robust Cost-Sensitive Learning via Randomized Smoothing. ArXiv.

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(2023). Transferable Availability Poisoning Attacks. ArXiv.

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(2023). Generating Less Certain Adversarial Examples Improves Robust Generalization. ArXiv.

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