Robert Kemp. Evaluating Prompt Injection Defenses in Large Language Models: A Multi-Model Empirical Study of Security–Usability Trade-offs. Journal of IT, Cybersecurity, & AI [Internet]. 2026 May 31 [cited 2026 May 31];3(3):43-5. Available from: https://www.jitcai.org/index.php/journal/article/view/71