🧑‍💻 About Me

I am a Ph.D. student at the Institute for Network Sciences and Cyberspace, Tsinghua University, with broad interests in Internet measurement, protocol security, and software supply-chain security. My current research focuses on public key infrastructure (PKI) and code signing. I graduated from Beihang University in 2023 and joined the NISL Lab at Tsinghua University in the same year to pursue my Ph.D., advised by Professor Haixin Duan and Lingyun Ying. I have been a research intern at QI-ANXIN Technology Research Institute (Beijing) since 2025.

🔥 News

2025.12: 🎉🎉 One paper accpeted by NDSS 2026.
2025.10: 🎉🎉 Passed Ph.D. Qualifier Exam.

📝 Publications

Understanding the Status and Strategies of the Code Signing Abuse Ecosystem. Hanqing Zhao, Yiming Zhang, Lingyun Ying, Mingming Zhang, Baojun Liu,Haixin Duan, Zi-Quan You, Shuhao Zhang. NDSS 2026 (CCF-A, Big4).
Analyzing Compliance and Complications of Integrating Internationalized X.509 Certificates. Mingming Zhang, Jinfeng Guo, Yiming Zhang, Shenglin Zhang, Baojun Liu, Hanqing Zhao, Xiang Li, Haixin Duan. ACM IMC 2025 (CCF-B).

🎖 Honors and Awards

2026.3 2025 Outstanding Intern at QI-ANXIN.
2023.6 Outstanding Graduate of Beihang University.

📖 Educations

2023.09 - Present, Ph.D in Electronics and Information Engineering, Tsinghua University.
2019.09 - 2023.06, B.Eng. in Information Security, Beihang University.

💬 Talks and Presentations

2026.4, Understanding the Status and Strategies of the Code Signing Abuse Ecosystem, Postgraduate Academic Forum, Tsinghua University, China.

📝 Services

Code Signing Certificate Working Group (CSCWG), CA/Browser Forum.
Shadow Technical Program Committee (STPC), IMC 2026.
Artifact Evaluation Committee, USENIX Security 2025.
Teaching Assistant, Security Design and Analysis of Network Protocols (74120033-0), Fall Semester (AY 2025–2026). Instructor: Haixin Duan.
Teaching Assistant, Computer Network Security Technologies (80240352-0), Spring Semester (AY 2024–2025). Instructor: Baojun Liu.

Hanqing Zhao