Jianjia Yu

Ph.D Student
Computer Science Department
Johns Hopkins University


Google Scholar / Github / CV

Research Insterests: Web Security, System Security, Program Analysis

I am a Ph.D Student (2020-) of Computer Science at Johns Hopkins University, where I am advised by Prof. Yinzhi Cao. My research focuses on Web Security, System Security, and Program Analysis.

Before coming to JHU, I received my bachelor's degree at Computer Science Department of Zhejiang University. I was a member of ACEE, Chu Kochen College.


RogueOne: Detecting Rogue Updates via Differential Data-flow Analysis Using Trust Domains
Raphael J. Sofaer, Yaniv David, Mingqing Kang, Jianjia Yu, Yinzhi Cao, Junfeng Yang, and Jason Nieh
CoCo: Efficient Browser Extension Vulnerability Detection via Coverage-guided, Concurrent Abstract Interpretation
Distinguished Paper Award
Jianjia Yu, Song Li, Junmin Zhu, and Yinzhi Cao
MiniTaintDev: Unveiling Mini-App Vulnerabilities through Dynamic Taint Analysis
Jianjia Yu, Zifeng Kang, and Yinzhi Cao
Rendering Contention Channel Made Practical in Web Browsers
Shujiang Wu, Jianjia Yu, Min Yang, and Yinzhi Cao


  • 2020.9 - present, Research Assistant, Johns Hopkins University
    Advisors: Prof. Yinzhi Cao
  • 2020.3 - 2020.6, Research Assistant, Zhejiang University
    Advisor: Prof. Shouling Ji
  • 2019.7 - 2019.11, Research Assistant, Johns Hopkins University
    Advisors: Prof. Yinzhi Cao
  • 2018.11 - 2019.7, Research Assistant, Zhejiang University
    Advisor: Prof. Kejun Zhang

Professional Services

  • External reviewer, The 19th ACM ASIA Conference on Computer and Communications Security (ACM ASIACCS)

  • Artifact Evaluation Committee, The Annual Computer Security Applications Conference (ACSAC)

  • Organizer and Volunteer, The 52nd IEEE/IFIP International Conference on Dependable Systems and Networks (DSN)

  • External reviewer, The USENIX Security Symposium 21'Fall

Teaching Experience

  • EN 601.640 - Web Security, JHU
    Fall 2023

  • EN 601.640 - Web Security, JHU
    Fall 2022

  • EN 601.280 - Full Stack JavaScript, JHU
    Spring 2022


  • My name "蒹葭"" originally comes from one of the oldest poems in China, Classic of Poetry《诗经》. "蒹葭" means "reed". And yes, my name bothered me a lot when I was young. My English name is Suzy, which in Chinese is written as "苏茜". Try to find something in common between the two names.
  • I play Pipa, a traditional Chinese instrument. I'm a member of Hopkins East Asian Traditional (HEAT) Ensemble. Check out our Youtube and Instagram.
  • I recently got a camera and am learning to take pictures and editing with Lightroom. Click if you think I'm a photographer.

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