About me

Hi! I am Yi Xie (谢意). I am a Postdoctoral Researcher at Tsinghua University SIGS. I received my Ph.D. degree from School of Cyber Engineering, Xidian University, supervised by Prof. Xiaofeng Chen.

Professional Services

Privacy-preserving Machine Learning
- Model Extraction Attack
- Machine Unlearning
Agent Security
LLM for Cybersecurity

[Nov. 2025] One paper accepted by the Network and Distributed System Security Symposium (NDSS 2026)!
[Dec. 2023] One paper accepted by the 38th Annual AAAI Conference on Artificial Intelligence (AAAI 2024)!
[May. 2023] One paper accepted by the 18th ACM ASIA Conference on Computer and Communications Security (ACM AsiaCCS 2023)!
[Sep. 2022] Became a visiting PhD of Nanyang Technological University, supervised by Prof. Tianwei Zhang.
[Jul. 2022] One paper accepted by the 27th European Symposium on Research in Computer Security (ESORICS 2022)!

Yi Xie, Jie Zhang, Shiqian Zhao, Tianwei Zhang, Xiaofeng Chen, “SAME: Sample Reconstruction Against Model Extraction Attacks”. In Proceedings of the 38th Annual AAAI Conference on Artificial Intelligence (AAAI 2024). [PDF] [code]
Mengdie Huang, Yi Xie, Xiaofeng Chen, Jin Li, Changyu Dong, Zheli Liu, Willy Susilo, “Boost Off/On-Manifold Adversarial Robustness for Deep Learning with Latent Representation Mixup”. In Proceedings of the 18th ACM Asia Conference on Computer and Communications Security (AsiaCCS 2023).
Yi Xie, Mengdie Huang, Xiaoyu Zhang, Changyu Dong, Willy Susilo, Xiaofeng Chen, “GAME: Generative-Based Adaptive Model Extraction Attack”. In Proceedings of the European symposium on research in computer security 2022 (ESORICS 2022).