@article{detectingfluentoptimizationbasedadversar, title = {Detecting Fluent Optimization-Based Adversarial Prompts via Sequential Entropy Changes}, author = {Mohammed Alshaalan and Miguel R. D. Rodrigues}, year = {2026}, eprint = {2605.19966}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2605.19966}, }