OPC UA Security: Certificates, Security Policies and Correct Configuration
OPC UA security is built into the protocol, but left on defaults it protects nothing. Security modes, policies, certificate management and …
Cybersecurity
OT/ICS security: IEC 62443, network segmentation, asset inventory and vulnerability management.
Our services and solutions on this topic: OT/ICS Cybersecurity
OT Network Segmentation: The Purdue Model, DMZs and IEC 62443 Zones
On a flat OT network a single breach can affect all production. A practical segmentation approach built on the Purdue Model, DMZs and the I…
OT Asset Inventory and Vulnerability Management: Where to Start
You cannot protect what you cannot see. How to build an OT asset inventory safely, which information to keep and how to manage vulnerabilit…
IEC 62443: A Practical Look at the OT Cybersecurity Standard
IEC 62443 is the global cybersecurity standard for industrial automation and control systems. We summarize its parts, security levels, and …
Cybersecurity in SCADA Systems: Protecting Critical Infrastructure
SCADA systems sit at the heart of critical infrastructure, from energy and water distribution to manufacturing plants. We explore practical…