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Futureproof Your Industrial Network Security
Implementing secure OT networks requires more than reliable connectivity. Industrial networks require layered security architectures that enforce segmentation, control traffic flows, restrict unauthorized access, and provide centralized visibility to support defense-in-depth across OT environments.
With over 37 years of industrial networks expertise, Moxa has embedded security directly into its solutions. As one of the first companies globally to achieve IEC 62443-4-1 certification for our secure development lifecycle (SDL) and IEC 62443-4-2 certification for a range of our products, Moxa provides secure industrial networking and connectivity solutions that help organizations build resilient OT network infrastructure.
How Moxa Secure Networking Solutions Strengthen OT Network Security
Securing OT networks requires layered protection—from secure device connectivity at the edge to segmentation, access control, traffic monitoring, and centralized network visibility and management across industrial infrastructure. Together, these capabilities form the foundation for protecting industrial networks and maintaining operational reliability.
Securing OT networks requires layered protection—from secure device connectivity at the edge to segmentation, access control, traffic monitoring,
and centralised network visibility and management across industrial infrastructure. Together, these capabilities form the foundation for protecting industrial networks and maintaining operational reliability.
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Why is secure edge connectivity important for OT networks?
Edge devices such as serial devices, controllers, and remote I/O often connect legacy equipment to modern IP networks. Without proper protection, these connection points can become entry paths for cyber threats.
With built-in security functions, Moxa secure edge connectivity solutions protect communications and device integrity while connecting edge devices to IP networks.
Key capabilities include:
- Encrypted communication protecting legacy protocol
- User authentication and role-based authorization
- IP whitelisting and network access control
- Device integrity checks and secure firmware updates
- Hardening mechanisms that disable unnecessary services
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How can network segmentation help protect OT networks?
Segmenting industrial networks is a fundamental strategy for limiting how cyber incidents propagate across operations. Moxa secure switches and routers support segmentation mechanisms that isolate critical systems and control communication between network zones.
Key capabilities include:
- VLAN-based network segmentation
- Access control lists (ACL) for traffic filtering
- Industrial firewall functions
- Secure routing between OT network zones
These mechanisms help contain potential threats and prevent lateral movement across industrial systems.
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How can organizations secure access to OT networks?
Industrial networks often require remote connectivity for maintenance, monitoring, and integration with enterprise systems. Without proper protection, these connections can introduce significant cybersecurity risks.
Moxa secure networking solutions enable protected connectivity through:
- VPN technologies for encrypted remote access
- Secure routers and firewalls controlling external connections
- Authentication mechanisms that restrict device access
- Secure management protocols such as HTTPS and SSH
These capabilities help protect OT network boundaries while enabling secure remote operations.
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How does full network visibility enable real-time monitoring and control in OT networks?
Full network visibility gives operators real-time insight into devices, connectivity, and traffic , enabling early anomaly detection and faster troubleshooting.
Moxa network management software provides centralized visibility and monitoring to maintain operational awareness and accelerate response to network events. Key capabilities include:
- Network topology visualization for a complete view of connected devices
- Centralized real-time network monitoring with alerts
- Automated security configuration auditing for Moxa devices
- Security event logging and monitoring dashboards
- Traffic diagnostics for troubleshooting and performance analysis
- Centralized security and firewall policy management
Moxa NPort & MGate G2 Series
The new Moxa NPort and MGate G2 Series represent the latest evolution in industrial connectivity — purpose-built to bridge legacy serial and Modbus networks with modern Ethernet and TCP/IP systems.
Secure Network Infrastructure
Build resilient OT networks with secure industrial networking devices.