During May 2025, Jean-Christophe Roques focused on security hardening within the centreon-collect repository by addressing credential management in configuration files. He removed hardcoded passwords from the nsclient.ini file, replacing them with a placeholder to encourage secure secret handling and reduce the risk of credential exposure. This change, implemented using INI configuration management skills, aligns with best practices for compliance and operational security. By laying the foundation for future secret rotation and centralized management, Jean-Christophe improved audit readiness and facilitated safer operations. The work demonstrated a targeted approach to configuration management, emphasizing maintainability and security without introducing unnecessary complexity.