In this tutorial, we'll learn how to use Checkov, an open-source tool that helps identify and prevent security issues in infrastructure as code (IaC) templates. We'll cover the following topics: 1. Installing Checkov 2. Running a basic scan 3. Identifying and fixing issues 4. Creating custom policies 5. Integrating scanning tools with CI/CD pipeline By the end of this tutorial, you should have a good understanding of how to use Checkov to improve your IaC security posture.