Implementing RBAC Hardening for Kubernetes Overview Kubernetes RBAC regulates access to cluster resources based on roles assigned to users, groups, and service accounts. Default configurations often grant excessive permissions, and without active hardening, RBAC becomes a primary attack vector for privilege escalation, lateral movement, and data exfiltration. Hardening requires implementing least-privilege principles, eliminating unnecessary ClusterRole bindings, separating service accounts, integrating external identity providers, and continuous auditing. When to Use - When deploying or conf…