This white paper first provides an overview of the various parts of the IEC 62443 series of standards and briefly describes their contents. This is followed by an assignment of the standard parts to the players in the OT security process. In the area of Operational Technology (OT) these are the plant operators, the system integrators and the product suppliers.
Building on these front-up considerations, a classification of PROFINET follows. The role of PROFIBUS & PROFINET International (PI) and the manufacturers of PROFINET products in the OT security process are described. The document also includes a description, how plant operators are supported in the OT security process.
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