Firewall Management for OT Networks

Netfosys provides secure and compliant firewall operations developed specifically for OT environments—protecting the enterprise without compromising industrial uptime 

Why OT Firewall Management is Important

Firewalls are your first line of defense—but in OT environments, a misconfiguration, lack of segmentation, or outdated policies could mean critical systems are exposed. Industrial systems need thoughtful consideration to ensure uptime while blocking threats

What we offer

Netfosys perform all aspects of firewall management services, which include full lifecycle policy, on-going monitoring, configuration, and compliance to methodologies for specific industries

Key Pillars of OT Firewall Operations

Policy & Rule Management

Define, update and audit firewalls rule sets - based around OT traffic patterns and access control

Configuration & Change Control

Implement structured configuration and controlled change processes to provide the minimize operational risk

24/7 Monitoring & Logging

Continuous log review and traffic analytics to detect abnormal or suspicious activity and provide operational visibility

Firmware and Rule Updates

Routine patching and tuning to protect against new threats while maximizing network throughput

Why netfosys for OT Firewall Operations

We bring a unique blend of OT knowledge and modern management practices to make sure that your firewall infrastructure provides security without interruption

Core Strengths of Our Firewall Management

1
Centralized, Multi-Vendor Management
Manage your firewalls from across Cisco, Fortinet, Palo Alto, Azure and many others using a single dashboard
2
Threat-Adaptive Policy Tuning
Use up to date threat intelligence to refine rule sets to be actively working towards mitigating your risk
3
Industrial Protocol-Aware Filtering
Control the flow of traffic, at the protocol level (Modbus, OPC, DNP3, etc.) to enshure safe OT communications
4
Compliance & Audit Ready
Produce reports that can support compliance against NERC-CIP, ISA/IEC 62443, ISO 27001, PCI-DSS reporting standards
5
Least Privilege & Rule Simplification
Regularly remove duplicate, risky, or overly broad rules to trim their attack surface area
6
Scalable & Resilient Architecture
Support OT specific needs - failover clustering, remotesite firewalls, deploying industrial grade hardware

ready to start your next project?

VIEW MORE