White Papers

Process Control Network Security

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Here, Invensys describes the reference architecture of best practices for a process control system network and its interfaces to a corporate network.

The objective of this whitepaper is to give the reader an understanding of the techniques utilized to securely connect process control system networks. This discussion will not address every possible network configuration and requirement, as this will vary with individual customer configurations.

Invensys’ approach to site network and control system security is based on the following principles:

• View security from both management and technical perspectives
• Ensure security is addressed from both an IT and control system perspective
• Design and develop multiple layers of network, system and application security
• Ensure industry, regulatory and international standards are taken into account
• Prevention is critical in plant control systems, supported by detection

The first stage in building a solid defense against unwanted intrusion into business network and process control systems is to develop a security policy statement and then define the requirements to implement a secure process environment. Once security goals are clear, a detailed plan can be developed to the customer’s needs.

File Size: 387 KB
File Type: PDF

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