OPC Classic

Processing Magazine Breakthrough Product of the Year

A Tofino-based product, the Triconex® / Tofino™ OPC Firewall, has been recognized as a product and technology that made a significant contribution to the process industries for 2010.

Belden releases new Plug-n-Protect OPC firewall to provide robust cyber security for automation facilities

Belden has recently introduced version 1.6.0 of its Hirschmann™ EAGLE20 Tofino industrial network security system, including the new EAGLE20 Tofino OPC Enforcer Loadable Software Module (LSM). Developed by Tofino Security for Hirschmann™, the OPC Enforcer locks down any system using the widely installed OPC Classic protocol, providing superior security over what can be achieved with conventional firewall solutions.

Securing Your OPC Classic Control System

by Eric Byres, security expert and CTO of Byres Security and Thomas J. Burke, President, OPC Foundation.

OPC Classic is a software interface technology used to facilitate the transfer of data between different industrial control systems. It is widely used to interconnect Human Machine Interface (HMI) workstations, data historians and other hosts on the control network with enterprise databases, Enterprise Resource Planning (ERP) systems and other business-oriented software. Unfortunately, securely deploying OPC Classic has proven to be a challenge until recently.

High Security Integration Using OPC

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OPC Classic, the popular industrial integration standard based on DCOM, has made the interfacing of different industrial control products significantly easy. Unfortunately, it also brought with it a number of serious security concerns for the designers of control, SCADA and safety systems.

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