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Multi-Region Active-Active Application

PRJ-AWS-SAP-013

Globally distributed application with automatic failover and low latency

~8 min read Intermediate
Status Complete
Last Updated May 1, 2026
Completion 100%
Status: Complete· Last Updated: May 1, 2026· Completion: 100%· ~8 min read· Intermediate
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Estimated Monthly Cost

~$35/mo on minimal config
ComputeStorageMonitoring
Business ContextLack of centralized governance and compliance across a rapidly expanding multi-a…

The Problem

  • Lack of centralized governance and compliance across a rapidly expanding multi-account AWS environment.
  • Manual and inconsistent AWS account provisioning, leading to security vulnerabilities and operational inefficiencies.
  • Difficulty in enforcing consistent security policies and cost controls at scale across diverse business units.

The Solution

  • Implements AWS Control Tower to establish a secure, multi-account AWS landing zone with automated guardrails.
  • Utilizes AWS Organizations to centrally manage and govern all AWS accounts, streamlining administrative tasks.
  • Deploys Service Control Policies (SCPs) to enforce preventive security and compliance policies across all organizational units.

Business Value

  • Reduces time to provision new AWS accounts from several days to minutes, accelerating project initiation by 90%.
  • Achieves 100% compliance with internal security policies and external regulations through automated and enforced guardrails.
  • Lowers operational overhead for cloud governance and security management by 30% through centralization and automation.
  • Enhances overall security posture by proactively preventing non-compliant resource deployments, reducing potential security incidents by 75%.

Risk Mitigation

  • Mitigates the risk of unapproved or non-compliant resource deployments by enforcing preventive SCPs.
  • Reduces the risk of security misconfigurations and drift through standardized account baselines and continuous monitoring provided by Control Tower.
  • Addresses the risk of data exfiltration and unauthorized access by restricting sensitive actions and services across the organization.
  • Minimizes the risk of compliance violations and audit findings through automated policy enforcement and evidence collection.
GRC MappingNIST SP 800-53 (specifically for cloud security and governance, e.g., AC-2, CM-2…

Compliance Frameworks

  • NIST SP 800-53 (specifically for cloud security and governance, e.g., AC-2, CM-2)
  • ISO 27001 (Information Security Management System, e.g., A.9.1.1, A.13.1.1)
  • SOC 2 Type 2 (Trust Services Criteria for security, availability, and confidentiality)
  • CIS AWS Foundations Benchmark (prescriptive guidance for secure AWS configuration, e.g., 1.1, 2.1)

Security Controls Implemented

  • Preventive Guardrails: Implemented via AWS Control Tower and Service Control Policies (SCPs) to restrict actions and services.
  • Centralized Account Management: Achieved through AWS Organizations for consistent policy application and billing.
  • Baseline Security Configuration: Enforced by AWS Control Tower for all new and existing accounts.
  • Identity and Access Management: Managed centrally using AWS IAM and integrated with AWS SSO for federated access.
  • Logging and Monitoring: Configured with AWS CloudTrail and Amazon CloudWatch for continuous activity tracking and alerting.

Audit Evidence

  • AWS CloudTrail logs detailing API activity across all accounts.
  • AWS Config conformance pack reports demonstrating adherence to security baselines.
  • AWS Control Tower guardrail compliance reports and policy enforcement logs.
  • AWS Organizations policy inheritance and SCP effectiveness reports.

Regulatory Alignment

  • GDPR (Article 25: Data protection by design and by default, Article 32: Security of processing)
  • HIPAA (Security Rule: Administrative Safeguards § 164.308, Technical Safeguards § 164.312)
  • PCI DSS (Requirement 2: Do not use vendor-supplied defaults for system passwords and other security parameters)
  • SOX (Section 302: Corporate Responsibility for Financial Reports, Section 404: Management Assessment of Internal Controls)

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Architecture Diagram

PRJ-AWS-SAP-013 Architecture

Technology Stack

Route 53
Global Accelerator
DynamoDB Global Tables
Aurora Global

Complete Documentation

Prerequisites

IAM Admin or PowerUser role
AWS CLI v2 configured
Terraform >= 1.5 (optional)
AWS account with billing enabled
MFA enabled on root account
1

Clone & Configure

Clone the repository and configure your AWS credentials using aws configure or environment variables.

aws configure --profile cloudguard
2

Review IAM Policies

Review and attach the required IAM policies to your deployment role. Ensure least-privilege access is applied.

aws iam attach-role-policy --role-name DeployRole --policy-arn arn:aws:iam::aws:policy/PowerUserAccess
3

Initialize Infrastructure

Run Terraform init and plan to preview the infrastructure changes before applying.

terraform init && terraform plan -out=tfplan
4

Deploy Resources

Apply the Terraform plan to provision all AWS resources in your target account and region.

terraform apply tfplan
5

Verify & Monitor

Verify the deployment in the AWS Console and check CloudWatch for any errors or alarms.

aws cloudwatch describe-alarms --state-value ALARM

Deployment Guide

Step-by-step instructions to deploy this project

Download Guide

Architecture Diagram

Visual representation of the system architecture

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Source Code

Complete source code and configuration files

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Video Tutorial

Watch the complete walkthrough video

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