Critical Infrastructure Security

Network Security for SCADA & PLC Control Networks

We configure fail-safe fiber optic rings, redundant industrial gateways, and intrusion prevention systems specifically for energy utility facilities. Your control network stays online and protected.

Configure Your Network

Substation hardened
50 ms failover
Ready for NERC CIP audit?

Hardened Network Capabilities for Critical Energy Utilities

Our engineering team deploys redundant fiber rings, hardened industrial gateways, and protocol-aware intrusion prevention systems specifically for SCADA and PLC control networks in power generation and distribution facilities.

  1. Fail-Safe Fiber Optic Ring

    Self-healing dual-path fiber backbone with automatic failover under 50 milliseconds. Supports IEC 61850 and DNP3 protocols for substation and control center communication. Eliminates single points of failure in your industrial network.

    Zero downtime during line breaks
  2. Industrial Gateway Hardening Suite

    Retrofits existing PLC and RTU networks with stateful firewall, deep packet inspection, and anomaly detection tailored for Modbus and Profinet traffic. Integrates with your existing SCADA without operational downtime.

    Reduced attack surface on legacy equipment
  3. Intrusion Prevention System for ICS

    Monitors all traffic between field devices and control servers using signature-based and behavioral analysis. Automatically blocks malicious packets without affecting legitimate operations. Certified for NERC CIP and IEC 62443 environments.

    Real-time threat blocking for compliance
  4. SCADA Network Segmentation

    Deploys industrial-grade firewalls and VLANs to isolate control system traffic from corporate IT networks. Enforces strict access control policies between zones based on Purdue model architecture.

    Containment of lateral threats
  5. Remote Access Security for Field Engineers

    Provides multi-factor authenticated VPN tunnels with session recording and command logging for remote PLC programming and diagnostics. Prevents unauthorized access while enabling remote troubleshooting.

    Secure remote maintenance workflows
Explore all network security solutions →

Why energy utilities trust our network security

Built for SCADA and PLC control networks

Most security solutions treat industrial networks like office IT. We don’t. Our architecture is purpose-built for fail-safe fiber optic rings, redundant industrial gateways, and intrusion prevention that respects real-time control constraints. Every component is tested against IEC 61850, DNP3, Modbus, and Profinet traffic patterns found in critical energy facilities.
Self-healing fiber rings with sub-50ms failover

Our fiber optic ring topology uses dual-path redundancy. If a line breaks or a switch fails, traffic reroutes in under 50 milliseconds — no dropped packets, no SCADA timeouts. This is not a theoretical SLA; it’s a measured behavior verified during commissioning at a 220 kV substation.

Hardened gateways that retrofit legacy PLCs

We harden existing RS-232 and Ethernet gateways with stateful firewalling and deep packet inspection for Modbus and Profinet. No rip-and-replace. The suite installs without downtime and reduces the attack surface of aging RTUs by blocking unauthorized write commands and malformed frames.

Intrusion prevention that never blocks legitimate operations

Our IPS uses signature-based and behavioral analysis tuned for ICS protocols. It detects zero-day exploits and protocol anomalies while automatically allowing normal control commands. The system is certified for NERC CIP and IEC 62443 environments and has been deployed in three regional transmission organizations.

Related Solutions for Critical Networks

Explore our core products designed to secure SCADA and PLC control environments in energy utilities.

Fail-Safe Fiber Optic Ring Self-healing dual-path ring for substation SCADA. Supports IEC 61850 and DNP3 with automatic failover under 50 ms.
View details
Industrial Gateway Hardening Suite Retrofit legacy PLC and RTU networks with stateful firewall, deep packet inspection, and anomaly detection for Modbus and Profinet.
View details
Intrusion Prevention System for ICS Signature-based and behavioral IPS for zero-day exploits and protocol anomalies. Certified for NERC CIP and IEC 62443 environments.
View details
SCADA Network Segmentation Guide Practical steps to isolate control traffic from corporate IT using industrial DMZ and VLANs. Includes reference architecture for energy utilities.
Read guide
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