Firewall Solutions
for OT
Protect your industrial networks with OT-aware firewalls—segmented, secure, and designed to have minimal operational impact
Why an OT Firewalls Matter
Standard IT firewalls cannot effectively protect OT systems. Operational environments require protocol-aware, low-latency firewalls that can block threats without disrupting live production lines
What We Provide
Netfosys deploys, configures, and manages firewalls aimed at OT networks. Our configuration services support segmentation, protocol inspection, failover and high availability, and compliance capabilities
Protocol-Aware Rules
Deep packet inspection for Modbus, DNP3, OPC, and other industrial control protocols
Network Zone & Segment Configuration
A secure configuration of industrial zones which limit, and remediate, threats while reducing unwanted exposure or propagation across networks
Firewall HA Configuration
Provides failover and clustering capabilities for redundancy ensuring that your environments are always being protected
Remote Access & VPN
Provides timed access easily through a VPN to vendor and remote engineer access securely.
Policy audits & reporting
Automatic rule audits, event logging, and compliance reporting for internal and external reviews
Enhanced OT
Security Controls
We take your OT firewall capabilities to the next level with enhanced rule reviews, extensive traffic analysis, incident response support, and seamless integration into your larger cybersecurity ecosystem.
IAM for OT & Hybrid Environments
SIEM & SOC Integration
Integrate firewall logs and triggers into your reporting, review and incident response
Incident Response Integration
Isolate affected segments or assets during a cyber incident to contain threats and avoid disruption
Patch-aware Rule Management
Rapidly and effectively change firewall rules to be in sync with on-schedule OT system patches and updates
Compliance Configuration
Create firewall rules designed with IEC 62443, NERC CIP, ISO 27001 etc, to meet OT policy compliance
Why choose Netfosys for OT Firewalls
Our experience securing active industrial environments has resulted in the deployment of firewalls that will not interfere with operations, protecting it the entire time. We care about operational safety and cybersecurity perfectionism from our engineering best practices and design through the long-term supports we provide