Linux Foundation Certified Kubernetes Security Specialist (CKS) Exam Prep
validates security skills across cluster setup, cluster hardening, system hardening, microservice vulnerabilities, supply-chain security, and monitoring, logging, and runtime security. CNCF requires candidates to have passed CKA before attempting CKS, although the CKA credential does not have to be active.

Updated On: 17-Oct-2026

The Linux Foundation Certified Kubernetes Security Specialist (CKS) was taken down for an update.



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Overview of the validates security skills across cluster setup, cluster hardening, system hardening, microservice vulnerabilities, supply-chain security, and monitoring, logging, and runtime security. CNCF requires candidates to have passed CKA before attempting CKS, although the CKA credential does not have to be active. Exam



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