Process zones are logical groupings of assets that perform a similar function or belong to the same industrial process. Defining these zones allows security teams to apply specific communication policies, ensuring that devices within a zone can interact while traffic between zones is strictly monitored and controlled. This architecture is a core component of the ISA/IEC 62443 standard for protecting industrial automation and control systems. Read more in our pragmatic blueprint for industrial security.

For more information, see Industrial Cyber Security Best Practices.