Is Kubernetes Security CKS Certification worth it?

by | Mar 16, 2023

The Certified Kubernetes Security (CKS) certification is a highly popular certification within Kubernetes security. Nevertheless, the question remains whether pursuing the CKS certification furnishes the essential knowledge and expertise required for professionals operating within the spheres of clouds, containers, or Kubernetes to flourish in their vocations. Here is a blog that can help you to answer whether CKS is worth it.

What is Kubernetes Security CKS Certification?

The Certified Kubernetes Security Specialist (CKS) certification is offered by the Linux Foundation. It aims to upskill and validate the skill and knowledge of its candidates in Kubernetes security. The training for CKS certification includes 26-30 learning hours, with  12 months of access to online course videos and discussion forums. The course content includes cluster setup, cluster hardening, system hardening, minimizing microservice vulnerabilities, supply chain security, monitoring, logging, and runtime security. 


Is CKS Worth it? Let us compare its Pros and Cons.

Certified Kubernetes Security (CKS) is worth it if you are focusing on upskilling in the basics of Kubernetes security and looking for a  shorter syllabus, then the CKS certification may be the right choice for you. Certifications in Kubernetes security are worth it if you are dealing with clouds or are in charge of administrating Kubernetes.


  1. The CKS exam is easy as it is based on a syllabus that’s short.
  2. The exam is only 2 hours long, which makes it simple for its candidate
  3. 2 attempts are allowed per exam registration
  4. There are no limits on exam retakes.


  1. The certification is valid only for 2 years
  2. The course syllabus doesn’t cover advanced Kubernetes security concepts.
  3. The price of the CKS certification is $595, plus another $595 will be incurred for pursuing CKA certification if it is expired. (Note CKA certification is a mandatory prerequisite for CKS)
  4. No Labs for hands-on training.
  5. No Interaction with Instructors to clarify any questions or doubts 
  6. They do not provide a lab environment for students to practice – Only provide a lab guide, which means students must set up labs themselves.
    To independently set up a lab to practice, you will need
    • Access to a Linux server or Linux desktop/laptop is required. 
    • Access to a public cloud provider or VirtualBox on your machine is also needed.
    • If using a cloud provider like GCP or AWS, you get limited free credits to set up your lab and complete the lab exercises. 
    • You incur charges if you exceed the free credits

Interested in Kubernetes? Here are some Good Kubernetes Certifications you can choose

Is there any alternative for CKS certification?

Yes, Certified Cloud Native Security Expert (CCNSE)  is a great alternative to the Certified Kubernetes Security (CKS) certification. The course is more comprehensive and detailed on the Kubernetes Security topic and has state-of-the-art hands-on labs that students can use to train. Let us compare the two certifications.

Kubernetes security cks worth evaluation table

Learn more about the CCNSE certification curriculum here


So, is the Kubernetes Security CKS certification worth it? It depends on your goals and needs. Suppose you are looking for a certification that focuses on the basics of Kubernetes security and has a shorter syllabus. In that case, the CKS certification may be your right choice. However, if you are looking for more comprehensive training and a hands-on guide to Kubernetes security, then the CCNSE certification may be a better option. In conclusion, both certifications have their pros and cons, and it is up to the individual to decide which certification is best suited for their needs.

Interested in security? Explore some of the Best DevSecOps Certifications.



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