Ben Gray developed a security-focused update for the castai/helm-charts repository, enhancing the storage of PgCat credentials by transitioning from ConfigMaps to Kubernetes Secrets. This approach improved secret management and security posture while maintaining operational resilience through a rollback path that reverted to ConfigMaps with adjusted deployment references. Ben utilized Helm and Kubernetes, working primarily with yaml to implement these changes. The update balanced the need for stronger security with compatibility for existing deployments, and no customer-impacting incidents were reported. The work demonstrated careful analysis of security and compatibility implications, resulting in a secure-by-default configuration for sensitive credential storage.