> I'm a security enthusiast, currently studying at Northwestern University

> guoziyi114@gmail.com / n7l8m4@u.northwestern.edu

• Co-First Author (equal contribution): * 

• Corresponding Author (student mentor): #

Breaking the Bulkhead: Demystifying Cross-Namespace Reference Vulnerabilities in Kubernetes Operators

• Andong Chen, Ziyi Guo#, Zhaoxuan Jin, Zhenyuan Li, Yan Chen

• 2026 Network and Distributed System Security (NDSS) Symposium

PatchAgent: A Practical Program Repair Agent Mimicking Human Expertise

• Zheng Yu, Ziyi Guo, Yuhang Wu, Jiahao Yu, Meng Xu, Dongliang Mu, Yan Chen, Xinyu Xing

• 2025 USENIX Security Symposium

Take a Step Further: Understanding Page Spray in Linux Kernel Exploitation

• Ziyi Guo, Dang K Le, Zhenpeng Lin, Kyle Zeng, Ruoyu Wang, Tiffany Bao, Yan Shoshitaishvili, Adam Doupé, Xinyu Xing

• 2024 USENIX Security Symposium

CAMP: Compiler and Allocator-based Heap Memory Protection

• Zhenpeng Lin, Zheng Yu, Ziyi Guo, Simone Campanoni, Peter Dinda, Xinyu Xing

• 2024 USENIX Security Symposium

Cross Container Attacks: The Bewildered eBPF on Clouds

• Yi He* and Roland Guo*, Yunlong Xing, Xijia Che, Kun Sun, Zhuotao Liu, Ke Xu, Qi Li

• 2023 USENIX Security Symposium