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Securing process control network external communications

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In the real world, sharing PCN data with external systems and accessing PCN systems from external sources is fast becoming a manufacturing necessity. This paper provides some generic guidelines for enabling secure connectivity between PCNs and external systems.

From Honeywell

In an ideal Process Control Network (PCN) security scenario, the PCN would not need to communicate with any external systems. Not only could an air-gap be created, providing excellent security, there would also be no costs for connectivity and security solutions. In the real world, however, sharing PCN data with external systems and accessing PCN systems from external sources is fast becoming a business necessity.

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