- A
kubesec
Kubesec provides security ratings and recommendations for Kubernetes resources.
- B
kubectl apply
Why wrong: kubectl apply is used to apply manifests, not static analysis.
- C
trivy image
Why wrong: Trivy image scans container images, not Kubernetes manifests.
- D
helm template
Why wrong: Helm template renders charts, it does not perform security analysis.
Question 388 of 997
Kubesec: Static Analysis Tool for Kubernetes Manifests
This CKS practice question tests your understanding of supply chain security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which static analysis tool can be used to check Kubernetes manifests for security misconfigurations?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
kubesec
Kubesec is a static analysis tool specifically designed to evaluate Kubernetes YAML manifests against a set of security best practices, such as ensuring containers run as non-root, enforcing read-only root filesystems, and dropping unnecessary Linux capabilities. It outputs a risk score and highlights misconfigurations without requiring a running cluster, making it ideal for early detection in CI/CD pipelines.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
kubesec
Why this is correct
Kubesec provides security ratings and recommendations for Kubernetes resources.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
kubectl apply
Why it's wrong here
kubectl apply is used to apply manifests, not static analysis.
- ✗
trivy image
Why it's wrong here
Trivy image scans container images, not Kubernetes manifests.
- ✗
helm template
Why it's wrong here
Helm template renders charts, it does not perform security analysis.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse static analysis of manifests (Kubesec) with image vulnerability scanning (Trivy image) or deployment commands (kubectl apply), because all three are security-related but operate at different stages of the supply chain.
Detailed technical explanation
How to think about this question
Kubesec works by parsing the manifest into a JSON structure and applying a set of rules defined in a Rego-like policy engine, checking for fields like 'securityContext.runAsNonRoot', 'securityContext.capabilities.drop', and 'securityContext.readOnlyRootFilesystem'. In a real-world scenario, a developer might set 'runAsUser: 0' to run as root, which Kubesec would flag as a high-severity issue, preventing a container escape vulnerability in production.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the CKS exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
- →
Supply Chain Security — study guide chapter
Learn the concepts, then practise the questions
- →
Supply Chain Security practice questions
Targeted practice on this topic area only
- →
All CKS questions
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- →
Certified Kubernetes Security Specialist CKS study guide
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CKS practice test guide
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FAQ
Questions learners often ask
What does this CKS question test?
Supply Chain Security — This question tests Supply Chain Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: kubesec — Kubesec is a static analysis tool specifically designed to evaluate Kubernetes YAML manifests against a set of security best practices, such as ensuring containers run as non-root, enforcing read-only root filesystems, and dropping unnecessary Linux capabilities. It outputs a risk score and highlights misconfigurations without requiring a running cluster, making it ideal for early detection in CI/CD pipelines.
What should I do if I get this CKS question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
5 more ways this is tested on CKS
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which static analysis tool is specifically designed to evaluate Kubernetes manifests against security best practices?
medium- A.cosign
- B.syft
- ✓ C.kubesec
- D.clair
Why C: Kubesec is a static analysis tool that evaluates Kubernetes manifests (YAML files) against security best practices and provides a security score. Cosign (A) is for container signing and verification, Syft (B) is for generating SBOMs, and Clair (D) is for container vulnerability scanning. Therefore, option C is correct.
Variation 2. Which of the following is a static analysis tool for Kubernetes manifests that can identify security misconfigurations?
easy- A.Clair
- ✓ B.kubesec
- C.OPA/Gatekeeper
- D.Notary
Why B: kubesec is a static analysis tool that scans Kubernetes manifests (YAML/JSON) and assigns a security score based on misconfigurations such as running containers as root, missing resource limits, or allowing privilege escalation. It operates offline without requiring a running cluster, making it a pure static analysis tool for identifying security issues in manifests before deployment.
Variation 3. Which of the following is a static analysis tool for Kubernetes manifests that can be used to find misconfigurations?
medium- A.Trivy
- ✓ B.Kubesec
- C.Syft
- D.Cosign
Why B: Kubesec is a static analysis tool specifically designed to evaluate Kubernetes manifests against a set of built-in security policies. It scans YAML or JSON resource definitions and assigns a risk score based on misconfigurations such as running containers as root, missing resource limits, or insecure capability assignments. This makes it the correct choice for identifying misconfigurations in Kubernetes manifests without executing them.
Variation 4. Which of the following is a static analysis tool for Kubernetes manifests?
easy- ✓ A.Kubesec
- B.Cosign
- C.Trivy
- D.Syft
Why A: Kubesec is a static analysis tool specifically designed to evaluate Kubernetes manifests against a set of security best practices. It parses YAML or JSON resource definitions and scores them based on pod security contexts, container privilege escalation, and other runtime hardening rules, without executing the manifests.
Variation 5. Which tool can be used to perform static analysis of Kubernetes manifests for security issues?
medium- A.syft
- B.cosign
- ✓ C.kubesec
- D.trivy
Why C: Kubesec is a static analysis tool specifically designed to evaluate Kubernetes resource manifests against a set of built-in security best practices. It scans YAML or JSON manifests for common misconfigurations such as running containers as root, missing resource limits, or insecure capability assignments, and returns a risk score. This makes it the correct choice for static analysis of Kubernetes manifests for security issues.
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Last reviewed: Jul 4, 2026
This CKS practice question is part of Courseiva's free CNCF certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CKS exam.
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