LLM Prompt Injection Detection Firewall. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 2(1), p. 66–72, 2026. DOI: 10.62643/ijerst.2026.v22.n2(1).pp66-72. Disponível em: https://ijerst.org/index.php/ijerst/article/view/2453. Acesso em: 9 jun. 2026.