@article{coopguardstatefulcooperativeagentssafegu,
  title = {CoopGuard: Stateful Cooperative Agents Safeguarding LLMs Against Evolving Multi-Round Attacks},
  author = {Siyuan Li and Zehao Liu and Xi Lin and Qinghua Mao and Yuliang Chen and Haoyu Li and Jun Wu and Jianhua Li and Xiu Su},
  year = {2026},
  eprint = {2604.04060},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.04060},
}