How to Renew CKS Without Sitting the Exam Again

Understanding CKS Renewal

The Certified Kubernetes Security Specialist (CKS) certification is valid for three years from the date you pass the exam. Unlike some certifications that require re-examination, the CKS can be renewed by earning Continuing Education Units (CEUs) through approved activities. This guide explains the renewal process, requirements, and best practices to keep your certification active without the stress of retaking the exam.

CKS Renewal Requirements

To renew your CKS, you must earn 60 CEUs within the three-year validity period. CEUs are earned by participating in approved learning activities, such as attending conferences, completing online courses, or contributing to open-source projects. The Cloud Native Computing Foundation (CNCF) provides a list of approved activities and assigns CEU values. You can explore this further in How to Renew Google Cloud Security Engineer Without Sitting the Exam Again.

How to Earn CEUs for CKS Renewal

Here are the most common ways to earn CEUs for your CKS renewal:

• Attend CNCF or Kubernetes-related conferences – Events like KubeCon + CloudNativeCon typically offer 1 CEU per hour of participation.
• Complete online courses – Many platforms offer Kubernetes security courses that are pre-approved for CEUs. For example, the Kubernetes Security Essentials course on the CNCF Training platform grants 10 CEUs.
• Contribute to open-source projects – Significant contributions to Kubernetes or related projects can earn CEUs. You must submit a request to the CNCF for review.
• Write technical articles or speak at events – Publishing a security-related article or speaking at a recognized event can earn CEUs.
• Participate in CNCF webinars – Live or recorded webinars often provide CEU credits.

CKS Renewal Process

Here’s a step-by-step guide to renewing your CKS:

1. Track your CEUs – Keep records of all activities you complete, including certificates of attendance, completion certificates, or other documentation.
2. Log into the CNCF Certification Portal – Use the same account you used for the exam.
3. Submit your CEUs – In the portal, navigate to the CKS renewal section and enter your CEU activities. You may need to upload proof.
4. Wait for approval – The CNCF team reviews your submission, which can take up to 5 business days.
5. Receive your renewed certification – Once approved, your certification expiration date is extended by three years from the date of renewal, not from the original expiration.

Cost of CKS Renewal

Renewing your CKS is free if you have earned the required CEUs. There is no fee to submit your CEUs or to have your certification renewed. However, if you choose to retake the exam instead of earning CEUs, you would need to pay the exam fee, which is $395 (or the equivalent in your currency). We cover this in depth in CompTIA Security+ Without IT Experience: Can You Actually Pull It Off?.

What Happens If Your CKS Lapses?

If you do not earn the required 60 CEUs before your certification expiration date, your CKS will lapse. This means you are no longer certified and cannot use the CKS designation. To regain certification, you must retake and pass the CKS exam. The exam fee will apply, and you must meet the current exam requirements.

Can You Renew After Lapse?

Yes, you can retake the exam after a lapse, but you cannot retroactively earn CEUs to renew. You must start the process anew, which includes passing the exam again. To avoid this, plan your CEU activities well in advance.

If you do have to retake the exam, a free CKS study plan gives you a schedule that fits your available time.

Tips for a Smooth CKS Renewal

• Start early – Don’t wait until the last year. Spread your CEU activities over the three-year period to avoid a rush.
• Diversify your learning – Combine conferences, courses, and contributions to keep your knowledge current.
• Keep documentation – Always save certificates and emails as proof of participation.
• Check the CEU catalog – CNCF updates its list of approved activities. Regularly review it to ensure your planned activities qualify.
• Set reminders – Mark your calendar for important deadlines, such as the expiration date and submission windows.

Frequently Asked Questions

Do I need to renew CKS if I am already certified?

Yes, CKS certification expires after three years. You must renew to maintain your credential.

Can I use CEUs from other certifications?

Only CEUs from activities approved by CNCF for CKS renewal count. Some activities may be approved for multiple certifications, but you must check the CNCF catalog. If you're preparing for this exam, Is CKS as Hard as Everyone Says? is essential reading.

How long does it take to receive renewed certification?

After submitting your CEUs, approval typically takes up to 5 business days. Once approved, your new expiration date is immediately updated.

Is there a grace period after expiration?

No, there is no grace period. Once your CKS expires, you are no longer certified until you retake and pass the exam.

Conclusion

Renewing your CKS certification is straightforward if you plan and earn the required CEUs. It keeps your skills current and avoids the cost and stress of retaking the exam. Remember to track your activities and submit them in a timely manner.

Practise until the exam format feels routine — start with Certified Kubernetes Security Specialist (CKS) practice test.

A free CKS readiness check can reveal your weakest topic so you know what to practise first.