2 papers
cs.CR2026
A Survey of Heterogeneous Graph Neural Networks for Cybersecurity Anomaly Detection
Laura Jiang, Reza Ryan, Qian Li +1
Anomaly detection is a critical task in cybersecurity, where identifying insider threats, access violations, and coordinated attacks is essential for ensuring system resilience. Gr…
cs.CR2026
Rethinking Fraud Safety Evaluation: Multi-Round Attacks Reveal Safety-Utility Tradeoffs in Graph-Context LLM Defenders
Laura Jiang, Reza Ryan, Qian Li +1
Single-turn safety evaluation is a poor proxy for real fraud defense, where attackers escalate across multiple rounds. This paper evaluates fraud defenders under replay and adaptiv…