@article{ventorqtestthreatmodeldrivenverification, title = {Ventor-QTest: Threat-Model-Driven Verification of Vendor-Hosted LLM APIs}, author = {Xiangfan Wu and Zonghao Ying and Huiyu Wu and Xing Zheng and Huangsheng Cheng and Xiaorong Shi and Jing Guo}, year = {2026}, eprint = {2608.16391}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2608.16391}, }