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4 templates · Network diagram

Network Security Lab Diagrams

Network security lab diagrams help you design and document isolated environments for testing security tools, running penetration tests, and simulating attacks. These examples showcase common lab architectures used by security professionals and educators. Whether you're building a home lab or a corporate training environment, these network diagrams provide a solid starting point. Use our online network diagram maker to customize and share your own security lab design.

Standard Cisco-convention topology iconsEngine schematex-networkExport SVG · PNG · PDF
4 templates
Network diagram Network Security Lab
Network Security Simulation LabNetwork Security Simulation LabNetwork Security LabUse template →Network Security Lab ArchitectureNetwork Security Lab ArchitectureNetwork Security LabUse template →Penetration Testing LabPenetration Testing LabNetwork Security LabUse template →Network & Security Architecture LabNetwork & Security Architecture LabNetwork Security LabUse template →

Nothing close enough? Start from a blank network diagram → Describe it in one paragraph.

How to

How to use a network diagram template.

  1. 01Map network segments

    Identify key zones like DMZ, internal network, and management plane, and drag matching subnets onto the canvas.

  2. 02Place security controls

    Add firewalls, IDS/IPS sensors, and honeypots to show where inspection and prevention happen.

  3. 03Define trust boundaries

    Use labeling or shading to mark which networks are trusted, untrusted, or semi-trusted.

  4. 04Connect devices and specify flows

    Link components with solid or dashed lines and annotate traffic direction, protocols, or allowed ports.

  5. 05Document and share

    Export the diagram as an image or share a live link with your team to gather feedback and maintain version control.

FAQ

Questions about network diagram templates

What is a network security lab diagram?

It's a visual representation of a lab environment used for cybersecurity training, testing, or research. It shows how virtual or physical machines, network devices, and security tools are interconnected, often highlighting attack pathways and defensive controls.

Why create a dedicated diagram for a security lab instead of using a generic network diagram?

Security labs have unique requirements like isolated attack networks, vulnerable targets, and monitoring interfaces. A dedicated diagram makes these security-specific elements clear, reducing misconfiguration risks.

Can I use these examples for my penetration testing lab?

Absolutely. The examples include layouts for penetration testing scenarios, with attacker and victim machines, exploitation tools, and reporting systems. You can clone and adapt them to your own lab's IP ranges and toolset.

How detailed should the diagram be?

It depends on the audience. For personal use, a high-level topology with key IPs and purpose notes is sufficient. For team collaboration or documentation, include every device, its role, and explicit data flows to ensure everyone understands the lab's structure.

What tool can I use to create these diagrams?

ChatDiagram's network diagram maker lets you start from these examples, drag-and-drop network icons, and generate diagrams using natural language prompts. It's free and renders in ECharts for crisp, interactive outputs.