Network Segmentation

Narrowin Network Segmentation

Future-Ready Network Architecture

← Back to Network & Security

IT-OT Network Segmentation Plan

Effective network segmentation is the cornerstone of modern network architectures. The goal is a segmentation concept that protects your critical assets while maintaining operational efficiency.

Why Network Segmentation?

Security Assessment
Reduced Attack Surface

Limits lateral movement of attackers within the network

network compliance
Compliance

Meets regulatory requirements and security standards

network Performance
Performance Optimization

Improves network performance through optimized traffic flows

Our Segmentation Services

Security Zones
Network Zones
  • • Communication matrix design
  • • Define security levels
  • • Monitoring strategies
  • • Zone-to-zone policies
Purdue Model
OT/IT Segmentation
  • • Purdue Model implementation
  • • Industrial DMZ design
  • • SCADA/HMI isolation
  • • Safety system segmentation
Core Design
Core Design
  • • Network architecture planning
  • • VLAN design & routing
  • • Firewall integration
  • • Redundancy & high availability
Crown Jewels
Micro-Segmentation
  • • Granular network segmentation
  • • Protection of vulnerable/valuable assets
  • • Protection of OT and medical devices
  • • East-west traffic control

Compliance & Standards

Our segmentation concepts comply with leading security standards such as IEC 62443, NIST Cybersecurity Framework, ISO 27001 and industry-specific requirements for energy, healthcare and critical infrastructure.

Our Tools for Effective Network Segmentation

Network Explorer Screenshot
Network Explorer

Automatic mapping and visualization of your network topology. Lightweight discovery without sensors for comprehensive segmentation planning.

Learn more →
Network & Security Labs Screenshot
Network & Security Labs

Virtual test and training environments for segmentation validation. ContainerLab-based simulation of network designs and security scenarios.

Learn more →
OT WAN Design Screenshot
OT WAN Design

Specialized WAN architectures for OT networks with distributed sites (e.g. power, gas, water, industrial production). Secure site connectivity with automated configuration and central management.

Learn more →
Narrowin Network Diode Hardware
Endpoint Segmentation

Network diode (Mini-firewall) for plug and play segmentation of vulnerable devices. Protection of unpatchable OT and medical systems.

Learn more →

Network Segmentation for Your Company?

We're happy to show you some examples and concepts.

Get in touch