Image Scanning
Image scanning is a security practice that involves analyzing container images or virtual machine images for vulnerabilities, misconfigurations, and compliance issues before deployment. It typically uses automated tools to inspect image layers, dependencies, and configurations against known vulnerability databases and security policies. This helps identify and mitigate risks early in the development lifecycle, such as outdated packages or exposed secrets.
Developers should use image scanning to enhance security in DevOps pipelines, especially when deploying containerized applications with tools like Docker or Kubernetes. It is critical for compliance in regulated industries (e.g., finance, healthcare) and for preventing data breaches by catching vulnerabilities before production. Use cases include CI/CD integration for automated checks, auditing images in registries, and ensuring adherence to security standards like CIS benchmarks.