Meng Tong's Homepage

I am Meng Tong (童蒙), a second-year master's student at the University of Science and Technology of China (USTC), where I am supervised by Prof. Weiming Zhang and Prof. Kejiang Chen. I used to be the captain of the CTF team NEBULA.

Education

2025.02 - Now, Research Intern, Purdue

Supervisors: Prof. Ninghui Li and Yuntao Du

2024.09 - Now, Master of Cyberscience, USTC

Supervisors: Prof. Weiming Zhang and Prof. Kejiang Chen

2020.09 - 2024.06, Bachelor of Cyberscience, USTC

Supervisor: Prof. Nenghai Yu

Publications

Membership Inference Attacks on Tokenizers of Large Language Models [pdf] [code]
Meng Tong, Yuntao Du, Kejiang Chen,Weiming Zhang, Ninghui Li
arXiv preprint, 2025

On the Vulnerability of Text Sanitization [pdf] [code]
Meng Tong, Kejiang Chen, Xiaojian Yuan, Jiayang Liu,Weiming Zhang, Nenghai Yu, Jie Zhang
In Proceedings of the 2025 Conference of the North American Chapter of the Association for Computational Linguistics (NAACL) 2025 (Oral, Top 2% of Submissions)

InferDPT: Privacy-Preserving Inference for Black-box Large Language Model [pdf] [code]
Meng Tong, Kejiang Chen, Jie Zhang, Yuang Qi, Weiming Zhang, Nenghai Yu, Tianwei Zhang, Zhikun Zhang
IEEE Transactions on Dependable and Secure Computing (TDSC) 2025

Professional Experiences

Invited to review for AAAI, 2025.

Invited to review for ACL ARR, 2025.

Invited to give a talk about attacks on differential privacy by NAACL, 2025.

Invited to review for IEEE TIFS by Prof. Chia-Mu Yu, 2024.

Invited to give a talk about differential privacy by Webank, 2024.

Teaching assistant for Prof. Wenliang Du's SEED project, 2022 - 2023.

Captain of the CTF team NEBULA, ranked 137th / top 0.33% globally on CTFtime, 2022 - 2023.

Mentor of the CTF team NEBULA, ranked 1769th / top 4.32% globally on CTFtime, 2021 - 2022.

Honors and Awards

National Scholarship of China, 2025.

Distinguished graduates of USTC, 2024.

Honors bachelor from the gifted student program at USTC, 2024.

5th place in the international CTF competition SCTF, 2023.

Silver award in the IGEM competition, 2022 and 2023.

5th place in Tencent’s international CTF competition TCTF/0CTF, 2022.

2nd prize in the Chinese college student CTF competition, 2023.

2nd prize in the Chinese "strong net" CTF competition, 2022.

2nd prize in the Chinese college student CTF competition, 2022.