Security Boundary and Trust Zone Template

Shows security zones and trust boundaries within the infrastructure. It maps the layered separation between public, intermediary, internal, data, management, and privileged zones alongside their controlled crossing points. Use this diagram to communicate boundary placement and risk containment rather than control implementation detail.

Example

The diagram below shows the template structure. Load this template in the diagram editor to customise it for your project.

Diagram Composition

This template includes the following elements as a starting point.

Getting Started