Paul Huault developed mutual TLS (mTLS) support for secure client-server communication in the mariadb-operator/mariadb-operator repository. He refactored the existing TLS handling to meet mTLS requirements, introducing logic to verify mutual authentication conditions before establishing connections. His work included updating certificate and key management to align with enhanced security protocols, ensuring that only authenticated clients and servers could communicate. Using Go and Kubernetes, Paul focused on backend development to strengthen the operator’s security posture. The depth of his contribution is reflected in the careful integration of mTLS, enabling production deployments to adopt robust, traceable secure connections with improved reliability.