@inproceedings{yi-etal-2026-ctrap, title = "{CTRAP}: Embedding Collapse Trap to Safeguard Large Language Models from Harmful Fine-Tuning", author = "Yi, Biao and Huang, Tiansheng and Zhang, Baolei and Li, Tong and Nie, Lihai and Liu, Zheli and Shen, Li", editor = "Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David", booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)", month = jul, year = "2026", address = "San Diego, California, United States", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/ingest-acl/2026.acl-long.455/", pages = "10013--10030", ISBN = "979-8-89176-390-6" }