Hello, I am Chuhan Wang, a 4th year PhD student at Network and Information Security Lab (NISL) of Tsinghua University, advised by Prof. Haixin Duan and Assistant Prof. Jianjun Chen. My research interests include Email Security, Network Security and Internet Measurement.

Recent News

  • [3/2022] Our paper on the large-scale measurement of DKIM deployment accepted by USENIX Security 2022.
  • [9/2020] Our paper on email spoofing attacks was accepted by USENIX Security 2021.
  • Email Security
  • Network Security
  • Internet Measurement
  • Web Security
  • Ph.D. Candidate in Cyberspace Security

    2019 -- present, Tsinghua University

  • B.E. in Computer Science

    2015 -- 2019, Beijing Jiaotong University


(2023). A Large-scale and Longitudinal Measurement Study of DKIM Deployment. In USENIX Security ‘22. BOSTON, MA, USA. August 10–12, 2022. (Acceptance rate: 256/1492=17.2%).

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(2021). Weak Links in Authentication Chains: A Large-scale Analysis of Email Sender Spoofing Attacks. In USENIX Security ‘21. Vancouver, BC, Canada. August 11-13, 2021 (Acceptance rate: 246/1316=18.7%).

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Projects and Codes

NoSpoofing is a Chrome Extension. It is a UI notification scheme which can alert users that the emails they receive may be spoofing.



🏅 Awards

  • Tsinghua Outstanding 1rd Scholarship, 2022
  • 2nd place, *CTF, 2021
  • 2nd place, L3HCTF, 2021
  • 🏆 Champion, The 3rd ByteDance ByteCTF Finals (2020)
  • Excellent Undergraduate Award, Beijing Municipal Commission of Education, 2019
  • 1st Class Scholarship, Beijing Jiaotong University (2016, 2017, 2018)
  • China National Scholarship, 2016

🙋‍♂️ External Reviewers

  • EuroS&P ‘23