@inproceedings{xiang-etal-2025-alrphfs, title = "{ALRPHFS}: Adversarially Learned Risk Patterns with Hierarchical Fast {\&} Slow Reasoning for Robust Agent Defense", author = "Xiang, Shiyu and Zhang, Tong and Chen, Ronghao", editor = "Christodoulopoulos, Christos and Chakraborty, Tanmoy and Rose, Carolyn and Peng, Violet", booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2025", month = nov, year = "2025", address = "Suzhou, China", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2025.findings-emnlp.1066/", pages = "19569--19587", ISBN = "979-8-89176-335-7" }