auditing-kubernetes-rbac-permissions
Auditing Kubernetes RBAC Permissions
Overview
Kubernetes Role-Based Access Control (RBAC) auditing systematically reviews roles, cluster roles, bindings, and service account permissions to identify overly permissive access, privilege escalation paths, and violations of least-privilege principles. Tools like rbac-tool, KubiScan, and rakkess automate discovery of dangerous permission combinations.
Prerequisites
- Kubernetes cluster with RBAC enabled (default since 1.6)
- kubectl with cluster-admin access for full audit
- rbac-tool, rakkess, or KubiScan installed
Core Concepts
RBAC Components
| Resource | Scope | Purpose |
|---|---|---|
| Role | Namespace | Grants permissions within a namespace |
| ClusterRole | Cluster | Grants permissions cluster-wide |
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