Secures the exchange of information between different communication partners, so that a concept for secure information exchange can be drawn up. In Edition 2023 the Baustein carries 9 requirement numbers, 9 of them live: 3 Basis requirements (B, MUSS, to be fulfilled first and without exception), 5 Standard requirements (S, SOLLTE) and 1 requirements for elevated protection needs (H). It is applied to the information domain as a whole (overarching aspects) in modelling order R3. The requirements property on this node lists every requirement by number, title, level and responsible role, so a requirement is cited as CON.9.A<n>.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.