OT Cybersecurity
Data Diodes and NERC CIP: How One-Way Hardware Cuts Your Compliance Scope
Most conversations about NERC CIP compliance focus on what you have to add: more documentation, more monitoring, more controls to...
Blogs
Insights on OT Cybersecurity, Functional Safety & Industrial Resilience.
29 results for “Industrial Firewalls” Clear
Industrial Cybersecurity
How to Choose a Data Diode Vendor: A Buyer's Guide for OT and ICS
Selecting a data diode vendor looks straightforward until the evaluation begins. Every supplier claims hardware enforced one way t...
Industrial Cybersecurity
Data Diode vs Firewall: Why One Way Hardware Enforcement Matters for ICS
A firewall and a data diode both sit at a network boundary, and both are described as controlling what crosses it. That is where t...
Industrial Cybersecurity
What Is a Data Diode? How Unidirectional Gateways Protect OT Networks
A data diode is a hardware device that allows network traffic to travel in one direction only, with the return path made physicall...
OT Cybersecurity
OT Hardening: A Step-by-Step Checklist for Industrial Control Systems
The phrase "security hardening" means something very different in a steel mill than it does in a corporate data center....
Manufacturing
How to Conduct an OT/IT Network Segmentation Audit in a Manufacturing Plant
Network segmentation is the foundational control in OT security. Without it, a compromised laptop on the corporate IT network can...
Manufacturing
ICS Security for Discrete vs. Process Manufacturing: Key Differences Explained
Manufacturing covers a wider range of operational environments than any other industrial sector. An automotive assembly plant and...
Oil & Gas
Top 5 Cyber Threats Targeting SCADA Systems in Oil & Gas Distribution
SCADA systems in oil and gas distribution perform a function that no other technology can substitute: they provide the centralized...
Oil & Gas
How OT Cybersecurity Protects Upstream Oil & Gas Operations from Pipeline Attacks
Upstream oil and gas operations run on operational technology. From the wellhead to the gathering system to the pipeline transmiss...
OT Cybersecurity
What Is the Purdue Model? A Guide for OT Security Teams
If you work in operational technology security, you have heard the term Purdue Model more times than you can count. It appears on...