The guide provides an overview of using HashiCorp Terraform to deploy Azure resources with security best practices and policy as code. It outlines the process of building an N-tier architecture, using Terraform modules, and implementing security features such as password management, limiting access, tier isolation, database access, and applying Terraform Cloud policies. The guide also covers next steps for maintaining secure infrastructure, including watching a video on securing cloud with Terraform Foundational Policy Library and joining Microsoft and HashiCorp's webinar series on maximizing Microsoft Azure Security with Terraform.