Infrastructure as Code (IaC) refers to the practice of managing and provisioning infrastructure through machine-readable definition files, rather than through manual configuration tools. Examination of these definitions prior to deployment verifies the accuracy, consistency, and compliance of the intended infrastructure state. This process includes scrutinizing configurations for potential vulnerabilities, compliance deviations, and adherence to best practices. For example, checking a Terraform configuration file for open security groups or ensuring cloud formation templates comply with organizational security standards falls under this purview.
Rigorous examination offers multiple advantages. It mitigates the risk of misconfigurations leading to security breaches, reduces operational costs by preventing deployment failures, and enhances overall system reliability. Furthermore, it facilitates automated remediation and continuous compliance monitoring, ensuring infrastructure remains aligned with organizational policies and regulatory requirements. The evolution of this practice reflects a shift towards proactive infrastructure management, moving away from reactive troubleshooting and towards prevention.
