For CONFIDENTIAL, SECRET and TOP SECRET systems in shared non-government facilities, where cabling passes through a wall into a lower classified area, it must be enclosed in conduit and every gap between the conduit and the wall must be filled with a suitable sealing compound.
This control maps to 1 controls across 1 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 1 it maps to, and the evidence behind each claim, over MCP and REST.