Multi-account, multi-region AWS Landing Zone as modular IaC with Cloud Posse Atmos, Terraform & Helmfile — automated account vending, SSO/SAML role delegation, centralized networking (Cloud WAN), SCP guardrails, audit logging & EKS.

Amazon Cloud WAN is a managed wide area networking service that simplifies building, managing, and monitoring global WANs by connecting branch offices, data centers, and Amazon VPCs through a central dashboard with network policy automation and unified monitoring.