Advanced hands-on certification validating skills in securing Kubernetes cluster components, network policies, image security, supply chain security, and runtime protection. Based on Kubernetes v1.34.
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Sign in to RateAggregated from "CKS exam day tips" threads
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May 10, 2026
HR Value
Worth Cost
Learning
Exam Difficulty
Time pressure intense — 16 questions / 120 minutes on a real cluster. Familiarity with kubectl, vim, falco rules, AppArmor profiles, and CIS benchmark fixes essential. Pure conceptual study insufficient — hands-on lab time non-negotiable.
Aggregated from DevSecOps career threads
Does not count toward average ratings or recommendation %.
May 10, 2026
HR Value
Worth Cost
Learning
Exam Difficulty
For platform / DevSecOps engineers, CKS is the most-respected K8s security credential. Holders are scarce (under 15k globally as of 2024) — demand outstrips supply. Linux Foundation bundles (CKA + CKAD + CKS) at 30–50% off during sales worth waiting for.
Aggregated from "CKS prep stack" threads
Does not count toward average ratings or recommendation %.
May 10, 2026
HR Value
Worth Cost
Learning
Exam Difficulty
Hardest of the CNCF Kubernetes triumvirate (CKA, CKAD, CKS). KodeKloud Mumshad CKS course + killer.sh simulator (2 free with registration) standard prep. Walid Shaari's GitHub CKS resources also widely cited.
Aggregated from r/kubernetes CKS threads + CNCF community
Does not count toward average ratings or recommendation %.
May 10, 2026
HR Value
Worth Cost
Learning
Exam Difficulty
CKA prerequisite is enforced — must hold valid CKA before sitting CKS. Performance-based exam on real cluster, focus on RBAC, Network Policies, Pod Security, supply-chain (Trivy, Falco), runtime security (AppArmor, seccomp).
Standard CKS prep course with browser-based labs. Same author as CKA / CKAD.
2 free simulated exam sessions included with CKS registration. Identical UI to real exam.
Community-curated GitHub repo of CKS resources, labs, and CIS benchmark walkthroughs.
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Exam Duration
2h
Pass Score
67%
Remote Proctored
Yes — remote or test center
Exam Languages
Study Time
~120 hours