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Hwiwon Lee

Computer Science PhD student at UIUC

I build and evaluate AI agents for cybersecurity.

I work across software security, systems, and AI with my advisor, Lingming Zhang.

Portrait of Hwiwon Lee

2026 →

Chronicle

SEC-bench Pro, our benchmark for long-horizon software security tasks, is now available on arXiv.

Recognized as a Microsoft Most Valuable Security Researcher for 2026 Q1.

Selected
Publications
2026
arXiv

SEC-bench Pro: Can Language Models Solve Long-Horizon Software Security Tasks?

Hwiwon Lee, Jiawei Liu, Dongjun Kim, Wubing Xia, Ziqi Zhang, Chunqiu Steven Xia, Lingming Zhang

PDF: SEC-bench Pro
2025
NeurIPS

SEC-bench: Automated Benchmarking of LLM Agents on Real-World Software Security Tasks

Hwiwon Lee, Ziqi Zhang, Hanxiao Lu, Lingming Zhang

PDF: SEC-bench
2024
IEEE S&P · Distinguished Paper

BENZENE: A Practical Root Cause Analysis System with an Under-Constrained State Mutation

Younggi Park, Hwiwon Lee, Jinho Jung, Kevin Koo, Huy Kang

PDF: BENZENE