@inproceedings{xu26,author={Xu, Zane and Malkin, Nathan},title={A Penny for Your Prompts: Experiments Detecting and Mitigating {LLM} Usage by Survey Respondents},booktitle={Twenty-Second Symposium on Usable Privacy and Security (SOUPS 2026)},year={2026},isbn={978-1-939133-59-5},pages={583--603},url={https://www.usenix.org/conference/soups2026/presentation/xu},publisher={USENIX Association},month=aug,}