Ziyi Guo (Roland Guo) is a CS Ph.D. candidate work with Prof. Yan Chen & Prof. Xinyu Xing at Northwestern University
My interest includes attack and defense to computer systems, and AI Cybersecurity
I'm a recipient of Google PhD Fellowship in Privacy, Safety, and Security; and OpenAI Cybersecurity Grant Award
Co-First Author (equal contribution): *
Corresponding Author (student mentor): #
Andong Chen, Ziyi Guo#, Zhaoxuan Jin, Zhenyuan Li, Yan Chen
2026 Network and Distributed System Security (NDSS) Symposium, to appear
Cross Namespace Ref Attack is acknowledged by Google, Nvidia, and Red Hat.
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
DARPA AI Cyber Challenge (AIxCC), Finalist, with $2 million award. [news] [our team - 42-b3yond-6ug]
CSAW Applied Research Competition, Winner in Technical Impact (2 out of 189) [news]
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
Page Spray Attack won the novel exploitation award in Google kCTF [disclosure]
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
Roland Guo* and Yi He*, Yunlong Xing, Xijia Che, Kun Sun, Zhuotao Liu, Ke Xu, Qi Li
2023 USENIX Security Symposium
Cross Container Attack is integrated into eBPF Security Threat Model by Linux Foundation. [PDF]
