Where an agency system exchanges information with a system run by a third party, the agency must make sure the receiving party has suitable measures that protect the information in line with its classification or privacy requirements, and that the receiving party holds authorisation to receive it.
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.