Bocampagni, Fábio, Daniel Sadoc Menasché, and Renato Kogeyama. " Guardrail: A Modular Approach for Security Systems in Generative Artificial Intelligence." Proceedings of the 25th Brazilian Symposium on Cybersecurity, Foz do Iguaçu/PR, 2025. SBC, 2025, pp.1074-1081.