OT Cybersecurity
Understanding IEC 62443: OT Cybersecurity Compliance Guide – USA & Canada
Quick Answer: IEC 62443 is an international cybersecurity standard for industrial control systems (ICS) and operational technology...
Blogs
Insights on OT Cybersecurity, Functional Safety & Industrial Resilience.
29 results for “Industrial Firewalls” Clear
Cybersecurity Manufacturing
6 Best Practices for Manufacturing OT Security
Securing manufacturing environments has become critical. Production networks now blend traditional OT (operational technology) sys...
OT Network Security
Firewall Rules That Stop Production: Change Control for OT Firewalls
In an enterprise network, a bad firewall rule means a broken application and an angry ticket. At an industrial boundary it can mea...
OT Network Security
Specifying an NGFW for the IT/OT Boundary: 12 Questions to Ask Vendors
Most firewall comparisons are written by people selling firewalls. The result is a feature matrix where the author happens to lead...
OT Network Security
Your Next Generation Firewall Can Inspect Modbus. It Probably Is Not.
There is a common claim in OT security circles that next generation firewalls cannot see industrial protocols. It is not true, and...
Regulatory Compliance
CIP-015-2 Expanded INSM Scope: The Compliance Timeline to 2031
FERC approved CIP-015-2 on 10 August 2026, and the approval was announced the following week. The headline is straightforward: int...
Regulatory Compliance
Does the Cyber Resilience Act Apply to Your PLC, HMI or IIoT Gateway?
The EU Cyber Resilience Act regulates products with digital elements. That phrase is deliberately wide, and it is wider than most...
OT Cybersecurity
96% of OT Incidents Start in IT: Secure the Boundary That Actually Gets Crossed
A 2026 Frost and Sullivan survey of OT security decision-makers found that 60 percent of industrial organizations experienced an O...
OT Cybersecurity
Cyber Insurance and OT Segmentation: What Canadian Insurers Now Expect
Cyber insurance in Canada has changed. A few years ago, an operator could obtain coverage with relatively light scrutiny of its ac...
OT Cybersecurity
Data Diodes and OT Security in Canada: Why High-Assurance Isolation Matters Now
Canadian industrial operators are at a turning point. For years, protecting operational technology was treated as a lower priority...