Often that kind of reporting data is delivered back via a “data diode” unidirectional network. That said, there is usually just a dmz between biz and prod to en

Often that kind of reporting data is delivered back via a “data diode” unidirectional network. That said, there is usually just a dmz between biz and prod to enable remote support of the controls system (ala the Purdue model), and not any real air gap.