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AWS Control Tower · AFT · Terraform

AWS
Landing Zone

Secure Multi-Account Foundation — Governed, Automated, Audit-Ready

A production-grade AWS Landing Zone built on AWS Control Tower and Account Factory for Terraform (AFT), giving your organization a secure, compliant multi-account environment from day one. Identity is centralized, guardrails are enforced at the organizational level, networking is locked down, and every account is provisioned through a repeatable pipeline.

What You Get

A fully operational multi-account AWS environment with governance, security, and networking baked in.

Account Structure

AWS Control Tower with Organizational Units (Sandbox, Dev, Test, Prod)

Account Vending

Account Factory for Terraform — self-service, policy-compliant account provisioning

Identity

AWS IAM Identity Center (SSO) integrated with your corporate IdP (Entra ID, Okta, SAML/OIDC)

Guardrails

Mandatory and custom Service Control Policies (SCPs) — PCI DSS, GDPR, data residency

Logging

CloudTrail (all regions) → centralized S3 in Log Archive, VPC Flow Logs, CloudWatch

Security

AWS Config rules, Security Hub, IAM Access Analyzer, drift detection, automated alerts

Networking

Transit Gateway, private/public subnets, NAT Gateways, VPC Endpoints, Network Firewall

CI/CD

Terraform or CDK framework with pre-commit checks, policy-as-code (OPA), staged promotion

Everything is Infrastructure-as-Code. Nothing is clicked in the console.

Core Accounts

Purpose-built account structure — separation of concerns from day one.

Security & Governance

Compliance is not optional. It's built into the foundation.

Identity

  • SSO via IAM Identity Center — federated with your corporate IdP (SAML/OIDC)
  • Least-privilege IAM roles and groups defined with IAM Access Analyzer
  • Permission sets mapped to IdP groups — no local IAM users

Guardrails

  • Mandatory SCPs enforced across all OUs — prevent region sprawl, block root usage, enforce encryption
  • Custom SCPs for regulatory constraints (PCI DSS, data residency, KYC/AML)
  • AWS Config rules for drift detection and continuous compliance

Logging & Monitoring

  • CloudTrail enabled in all regions → centralized in Log Archive account
  • VPC Flow Logs and Network Firewall logs aggregated centrally
  • Security Hub for consolidated findings and automated alerting
  • AWS Audit Manager for scheduled compliance assessments

Network Security

  • Transit Gateway for centralized inter-account routing
  • Network Firewall or Gateway Load Balancer for egress filtering
  • VPC Endpoints for AWS services — traffic stays off the public internet
  • Hybrid connectivity via Direct Connect or VPN if needed, with redundant paths

Delivery

Discovery to first workload deployed in 4 weeks.

1

Discovery & Compliance

Pre-engagement

Stakeholder & regulatory workshop, current state assessment, OU design, guardrail inventory, compliance matrix

2

Core Environment & AFT

Week 1

Control Tower bootstrap, Log Archive & Security accounts, AFT pipeline, account blueprints, shared services

3

Security & Governance

Week 1–2

SCPs, Config rules, CloudTrail centralization, Security Hub, IAM hardening, IdP integration

4

Networking & Connectivity

Week 2–3

Transit Gateway, VPC design, NAT Gateways, VPC Endpoints, Network Firewall, hybrid connectivity

5

Workload Onboarding & IaC

Week 3–4

Account provisioning demo, self-service portal, Terraform/CDK framework, CI/CD pipeline with security scanning

6

Operate & Optimize

Ongoing

Runbooks, cost optimization (Cost Explorer, Budgets, tagging enforcement), quarterly compliance audits, guardrail updates

Discovery to first workload deployed in 4 weeks.

Why This Approach

Control Tower first

Hours to a governed baseline, not weeks of custom scripting

AFT for scale

New accounts provisioned through a pipeline, not a ticket queue

Compliance built in

SCPs, Config rules, and audit trails from the start, not retrofitted

Reproducible

Every account, every VPC, every guardrail is Terraform-managed and version-controlled

Extensible

Start with the foundation, add workload-specific blueprints (analytics, ML, data platform) as you grow

Target Sectors

Built for organizations where regulatory compliance, auditability, and multi-account governance are requirements — not nice-to-haves.

Financial Services Private Equity & Asset Management Insurance Healthcare Regulated SaaS

Ready to build your cloud foundation?

Let's design your multi-account environment and get your first workload deployed in 4 weeks.