Checkov Tool Catches 27 Terraform Security Flaws Before Cloud Deployment

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Infrastructure as Code (IaC) can be scanned for security vulnerabilities using Static Application Security Testing (SAST) tools, just like application code. A demonstration using Checkov, an open-source tool listed in the OWASP catalog, found 27 security failures in a sample Terraform project within roughly ten seconds — without needing an AWS account or running any deployment commands. The flaws included a publicly readable S3 bucket, an internet-exposed database with a hardcoded password, and an EC2 instance vulnerable to credential theft. After hardening the configuration, all 27 issues were resolved, bringing the project to 61 passed checks with zero failures. The fixed setup was then integrated into a GitHub Actions pipeline that automatically blocks pull requests containing misconfigurations, demonstrating a DevSecOps approach to cloud security.

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