Qi Wang (Eki)

Qi Wang (Eki)

PhD Student of Cybersecurity

Tsinghua University

Network & Information Security Lab

Biography

Hi! I am Qi Wang, you can call me Eki. I am a PhD student in the Institute for Network Sciences and Cyberspace at the Tsinghua University. I work in the Network and Information Security Lab (NISL) and am advised by Prof. JianJun Chen. My research focuses on Web security and network protocol security. By uncovering security flaws and proposing innovative, secure protocol solutions, I hope to contribute to building a more resilient internet infrastructure.

Moreover, I am an active participant in CTF games. I am a member of Redbud, a Capture the Flag (CTF) team affiliated with Tsinghua University, former member of Dubhe and co-founder of Merak. My main skills are Web and Misc.

Interests
  • Web Security
  • Protocol Security
  • Bug Hunting
Education
  • PhD Candidate in Cyberspace Security, 2023-2028(expected)

    Tsinghua University

  • BENG in Cyberspace Security, 2019-2023

    Beijing University of Posts and Telecommunications

Publications

(2024). Cross-Origin Web Attacks via HTTP/2 Server Push and Signed HTTP Exchange. NDSS'25.

PDF DOI

(2024). Inbox Invasion: Exploiting MIME Ambiguities to Evade Email Attachment Detectors. CCS'24.

PDF Cite DOI Blackhat ASIA 2025

(2023). Break the Wall from bottom: Automated Discovery of Protocol-Level Evasion Vulnerabilities in Web Application Firewalls. S&P'24.

PDF Cite DOI Blackhat USA 2024

Rewards

TSGCTF 2024 ๐Ÿ…
Geekcon DAF ๐Ÿ…
XCTF-Final ๐Ÿฅˆ
TCTF2022 Rising Star Final ๐Ÿฅˆ
D^3CTF 2023 ๐Ÿ…
5th “Qiangwang” (cyberspace power) International Elite Challenge on Cyber Mimic Defense ๐Ÿ…
6th “Blue Hat Cup” National College Students’ Cyber Security Skills Competition ๐Ÿ…
TCTF2021 Rising Star ๐Ÿฅˆ