Monitor, encrypt and limit traffic between environments, services and applications to authenticated, authorised connections the business justifies. Review these network settings at least yearly, backed by a written justification for every allowed service, protocol and port and any compensating control.
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.