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

Why Choose Netfosys for Vulnerability Scanning

1
OT-Based Deployments
We engineered and secured firewalls for industrial networks processes that do not disrupt production
2
Rule Management Automation
Remove the complications in rules by combining creation, updates and rollback with policy automation tools
3
High Availability Architecture
Deploy our redundant clusters of firewalls for uninterrupted protection and uptime
4
Integrated Access Control
Secure remote connections with firewall rules and enhance visibility through VPN and session logging
5
Single View Across Zones
Collate and cross-reference the telemetry and logs collected from the OT firewalls for complete network visibility
6
Compliance-Friendly Policies
Create rules that can operationalize to comply with IEC 62443, NERC CIP and ISO 27001 requirements

ready to start your next project?