CKS
Certified Kubernetes Security Specialist
Details
Exam Type: Practical (LAB)
Mode: Online
Duration of Exam: 2 hrs
Cost: $300
Certification Validity: 3 years
Retake: one Free Retake within 12 months of purchase
Software Version: Kubernetes v1.19
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Scope
Cluster Setup 10%
Use Network security policies to restrict cluster level access
Use CIS benchmark to review the security configuration of Kubernetes components (etcd, kubelet, kubedns, kubeapi)
Properly set up Ingress objects with security control
Protect node metadata and endpoints
Minimize use of, and access to, GUI elements
Verify platform binaries before deploying
Cluster Hardening 15%
Restrict access to Kubernetes API
Use Role Based Access Controls to minimize exposure
Exercise caution in using service accounts e.g. disable defaults, minimize permissions on newly created ones
Update Kubernetes frequently
System Hardening 15%
Minimize host OS footprint (reduce attack surface)
Minimize IAM roles
Minimize external access to the network
Appropriately use kernel hardening tools such as AppArmor, seccomp
Minimize Microservice Vulnerabilities 20%
Setup appropriate OS level security domains e.g. using PSP, OPA, security contexts
Manage Kubernetes secrets
Use container runtime sandboxes in multi-tenant environments (e.g. gvisor, kata containers)
Implement pod to pod encryption by use of mTLS
Supply Chain Security 20%
Minimize base image footprint
Secure your supply chain: whitelist allowed registries, sign and validate images
Use static analysis of user workloads (e.g.Kubernetes resources, Docker files)
Scan images for known vulnerabilities
Monitoring, Logging and Runtime Security 20%
Perform behavioral analytics of syscall process and file activities at the host and container level to detect malicious activities
Detect threats within physical infrastructure, apps, networks, data, users and workloads
Detect all phases of attack regardless where it occurs and how it spreads
Perform deep analytical investigation and identification of bad actors within environment
Ensure immutability of containers at runtime
Use Audit Logs to monitor access