AWS Landing Zone
The Secure Foundation for Scalable Growth on AWS
At any stage of your AWS journey, ensuring you have a secure foundation is key to long term success.
What Is an AWS Landing Zone?
An AWS Landing Zone is a pre-configured, multi-account AWS environment designed to provide a secure, scalable, and governed foundation for running workloads in the cloud.
It establishes best practice from day one across:
-
Account structure
-
Identity & access management
-
Network design
Built using Amazon Web Services Organisations, a Landing Zone enables separation of workloads while maintaining centralised governance and control.
There is no additional cost to creating a multi-account AWS structure — yet doing so establishes the security, governance, and scalability required to grow without re-architecting later.
A Landing Zone gives you the platform to:
-
Move fast without losing control
-
Pass audits without scrambling
-
Scale without restructuring
-
Maintain cost visibility from day one
Why a Single AWS Account Isn’t Enough
As startups grow, a single account becomes a constraint.
Security Isolation: Different applications have different risk profiles. Sensitive workloads (e.g. PCI) should be isolated.
Containment of Risk: An AWS account is a security boundary. Issues in one account shouldn’t impact another.
Data Protection: Isolating data reduces exposure and supports compliance obligations.
Team Separation: Engineering, DevOps, and product teams need resource independence.
Business Segmentation: Separate products or environments (Dev / Test / Prod) require independent control.
Service Limits: AWS limits apply per account — segregation prevents resource contention. There is no additional AWS charge for multiple accounts — but there is risk in not using them.
What Habitat3 Implements
Our Landing Zone aligns with the AWS Well-Architected Framework (Security Pillar first).
1. Account & Organisation Structure
-
AWS Organisation configured
-
Multi-account structure implemented
-
Root account secured with MFA
-
Delegated billing configured
2. Identity & Access Controls
-
Secure IAM password policies
-
Role-based access model
-
MFA enforcement
-
Operational access model established
3. Network & Infrastructure Baseline
-
Secure VPC architecture
-
Least-privilege security groups
-
Environment separation (Dev / Test / Prod)
4. Governance & Guardrails
-
Service Control Policies applied
-
Root user restrictions enforced
-
EC2 termination protection enabled
-
Preventative controls against misconfiguration
5. Security Monitoring & Alerts
-
Detection of open SSH access
-
Alerts for unencrypted EBS volumes
-
S3 public access monitoring
-
Centralised logging & visibility
6. Cost Control & Visibility
-
AWS Cost Anomaly Detection enabled
-
Daily budget alerts configured
-
Account-level cost tracking
-
Tagging standards enforced
The Strategic Outcome
Our Landing Zone aligns with the AWS Well-Architected Framework (Security Pillar first).
-
Standardised: Consistent policies and guardrails across accounts.
-
Secure: Security embedded from day one — not retrofitted later.
-
Governed: Clear control, audit readiness, and compliance alignment.
-
Scalable: Add workloads, teams, or products without redesign.
-
Cost-Aware: Visibility and control over spend as you grow.
Designed for Growing Digital Businesses
An AWS Landing Zone is ideal for:
-
Startups launching on AWS
-
SaaS platforms preparing to scale
-
Organisations migrating from a single account
-
Teams needing stronger governance
At Habitat3, every migration, modernisation, and Cloud Operations engagement begins with a secure foundation.