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A hands-on CKS practice exam with 20 independent Kubernetes security challenges covering cluster setup, cluster hardening, system hardening, microservice vulnerability reduction, supply chain security, and runtime security.
| Index | Name | Difficulty | Practice |
|---|---|---|---|
| 01 | Restrict Namespace Traffic with NetworkPolicy | Intermediate | Start Challenge |
| 02 | Publish an Admin Console with TLS Ingress | Intermediate | Start Challenge |
| 03 | Verify Kubernetes Binaries Before Deployment | Intermediate | Start Challenge |
| 04 | Reduce an Overprivileged ClusterRoleBinding | Intermediate | Start Challenge |
| 05 | Disable Default ServiceAccount Token Mounts | Intermediate | Start Challenge |
| 06 | Limit Incident Reader API Access | Intermediate | Start Challenge |
| 07 | Enforce an AppArmor Profile on a Workload | Advanced | Start Challenge |
| 08 | Install a Local Seccomp Profile | Advanced | Start Challenge |
| 09 | Enforce Restricted Pod Security | Intermediate | Start Challenge |
| 10 | Protect Secrets with Projected Files | Intermediate | Start Challenge |
| 11 | Harden a Runtime Security Context | Intermediate | Start Challenge |
| 12 | Isolate a Risky Sidecar Boundary | Advanced | Start Challenge |
| 13 | Build a Minimal Approved Image | Intermediate | Start Challenge |
| 14 | Verify SBOM and Checksum Evidence | Intermediate | Start Challenge |
| 15 | Scan Workload Manifests with KubeLinter | Intermediate | Start Challenge |
| 16 | Pin Workloads to Approved Image Digests | Advanced | Start Challenge |
| 17 | Review Audit Events for Secret Access | Intermediate | Start Challenge |
| 18 | Detect a Suspicious Runtime Process | Advanced | Start Challenge |
| 19 | Enforce Immutable Runtime Containers | Intermediate | Start Challenge |
| 20 | Investigate Unauthorized API Activity | Advanced | Start Challenge |
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