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Securing Container Runtimes for CKS

In this lab, you'll practice securing container runtimes in Kubernetes by auditing Docker configurations, applying seccomp profiles, and scanning images for vulnerabilities. When you're finished, you'll have hands-on experience securing container runtimes to protect Kubernetes workloads.

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Lab platform
Lab Info
Rating
(13)
Level
Beginner
Last updated
Jul 30, 2025
Duration
1h 15m

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Table of Contents
  1. Challenge

    Getting Started in the Lab Environment

    Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!

  2. Challenge

    Audit and Secure the Docker Container Runtime

    To start things off, you will audit the Docker configuration to identify and mitigate potential security risks. You will also apply the best practices for runtime security and ensure that logs are properly configured.

  3. Challenge

    Implement Seccomp Profiles

    In this challenge, you will limit unnecessary system calls in containers by applying and customizing seccomp profiles.

  4. Challenge

    Scan Container Images for Vulnerabilities

    Finally, you will analyze container images for known vulnerabilities using Trivy and implement fixes for identified risks.

  5. Challenge

    The Last Challenge

    Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

About the author

Mo brings energy and passion to every lesson, making technology easy to learn and exciting to explore!

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