Keep lists of the OT systems on board, compiled by hand (for example a spreadsheet), generated by an asset scanner, or both, describing each system and its key attributes such as equipment type, manufacturer, software version and patch level. Rationale by reference to UR E26 4.1.1.2 and IACS Rec. 190.
This control maps to 2 controls across 2 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.
Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.
The graph holds this control, the 2 it maps to, and the evidence behind each claim, over MCP and REST.