Kubernetes is well-known as an excellent tool for container orchestration, however, as with all technology platforms today, steps must be taken to ensure your clusters are secure and resilient for supporting production workloads. In this course, Kubernetes Security: Cluster Hardening, you'll learn how to properly harden and secure your production Kubernetes clusters. First, you'll explore how to upgrade your Kubernetes control plane and worker nodes with zero downtime. Next, you'll discover best practices for utilizing service accounts as well as restricting access to the Kubernetes API. Finally, you'll learn how to apply principles of least privilege by making use of Role-based Access Controls (RBAC). When you're finished with this course, you'll have the skills and knowledge of Kubernetes needed to secure and harden production clusters.