A landing zone is a pre-designed cloud foundation that provides the basic infrastructure, security, networking, identity, governance, and operational controls needed before an organization starts deploying applications and workloads.
Instead of creating every cloud resource independently for each project, a landing zone establishes a standardized and governed environment that application teams can use safely.
For example, in AWS, a landing zone is typically a well-architected multi-account environment designed around security and compliance practices. AWS Control Tower can help automate the setup and governance of this environment.
Why Is a Landing Zone Important?
Without a proper foundation, cloud environments can quickly become difficult to manage. Different teams may create their own networking, IAM policies, logging configurations, and security controls.
A landing zone provides common standards from the beginning.
Typical objectives include:
- Centralized security and governance
- Consistent identity and access management
- Standard network architecture
- Centralized logging and monitoring
- Account or subscription organization
- Compliance controls
- Cost management
- Automation and infrastructure-as-code
- Clear separation between environments and workloads
What Does a Landing Zone Usually Contain?
A landing zone isn't just a VPC, VNet, or collection of cloud accounts. It normally covers several foundational areas.
Identity and Access
Define how users, administrators, applications, and services authenticate and what permissions they receive.
Networking
Establish the network topology, IP addressing, connectivity, routing, firewalls, and connections to on-premises environments.
Security
Implement baseline security controls, encryption, secrets management, threat detection, and security monitoring.
Governance
Define policies and standards that control how cloud resources can be created and configured.
Logging and Monitoring
Centralize important audit logs, operational logs, metrics, alerts, and security events.
Account or Subscription Structure
Separate workloads and environments according to organizational and security requirements. AWS, for example, recommends using multiple accounts as resource isolation boundaries and to reduce the blast radius of failures or security incidents.
Example of an AWS Landing Zone
A simplified AWS structure might look like:
AWS Organization
│
├── Security OU
│ ├── Log Archive Account
│ └── Security/Audit Account
│
├── Infrastructure OU
│ ├── Networking Account
│ └── Shared Services Account
│
├── Production OU
│ ├── Application Account
│ └── Database Account
│
└── Development OU
├── Dev Account
└── Test Account
The exact structure depends on the organization's requirements. AWS Control Tower, for example, provides a landing-zone structure with organizational units, shared accounts, identity management, and governance controls.
What About Azure Landing Zones?
Azure uses a similar concept. Azure landing-zone architecture provides a foundation for networking, identity, management, security, governance, and workload deployment.
Microsoft's guidance separates platform capabilities from application landing zones, allowing platform teams to provide shared capabilities while application teams deploy their workloads into governed environments.
A simplified model could look like:
Azure Tenant
│
├── Platform Landing Zone
│ ├── Identity
│ ├── Connectivity
│ ├── Management
│ └── Security
│
└── Application Landing Zones
├── Production
├── Development
└── Testing
Landing Zone and Infrastructure as Code
For DevOps teams, one of the most important practices is to build the landing zone using Infrastructure as Code (IaC).
Tools such as Terraform, Bicep, ARM templates, or CloudFormation can be used to make the foundation repeatable and version-controlled.
This provides benefits such as:
- Repeatable deployments
- Faster environment provisioning
- Reduced manual configuration
- Easier auditing
- Version control
- Consistent environments
- Easier disaster recovery
Landing Zone vs Normal Cloud Environment
A normal cloud environment might simply contain the resources required by an application.
A landing zone goes further by establishing the rules and foundation around those resources.
Think of it this way:
Cloud resources = the buildings
Landing zone = the planned city infrastructure, roads, security rules, utilities, and zoning regulations
This makes it easier for multiple teams to deploy workloads without every team inventing its own architecture.
When Should You Create a Landing Zone?
A landing zone becomes particularly valuable when an organization is:
- Moving several applications to the cloud
- Operating multiple environments
- Managing multiple cloud accounts or subscriptions
- Working with multiple development teams
- Handling sensitive or regulated workloads
- Building a hybrid cloud environment
- Scaling cloud operations across an enterprise
For a very small project, a full enterprise landing zone may be unnecessary. The architecture should match the organization's actual scale and governance requirements.
Final Thoughts
A landing zone is essentially the foundation for operating cloud at scale.
It brings together identity, networking, security, governance, monitoring, logging, account/subscription structure, and automation before application workloads are deployed.
For DevOps and cloud engineers, the important thing is not to treat a landing zone as a one-time setup. It should evolve through Infrastructure as Code, policy automation, monitoring, security reviews, and continuous improvement.
A good landing zone allows development teams to move quickly while giving the platform team the control and visibility needed to operate the cloud securely and consistently.