Using Terraform, an open source IaC tool developed by Hashicorp, to provision infrastructure provides many benefits to the management and operations of your environment. Its versatility, declarative language, and the productivity gains of using the same Infrastructure as Code tooling across multiple cloud providers have made Terraform one of the most popular tools for infrastructure provisioning. There are also key security considerations that we will cover in this paper. In this guide, you will learn how to:Security manage secrets and prevent exposure to unauthorized users.
Source: https://www.helpnetsecurity.com/2021/03/18/devops-guide-terraform-security/