Gilvan Sfilho enhanced the keycloak/keycloak repository by updating its security documentation, focusing on brute force attack detection and password policy guidance. He expanded the documentation to include detailed explanations of temporary, permanent, and mixed lockout modes, supplemented with new images to clarify these concepts for users. Using adoc for documentation and Git for change tracking, Gilvan ensured that the updates aligned with security best practices and improved policy clarity. His work addressed the need for clearer onboarding and enforcement of security policies, demonstrating technical writing and cross-team collaboration skills while deepening the repository’s resources for threat awareness and mitigation.