Protects the information processed in office rooms. In Edition 2023 the Baustein carries 8 requirement numbers, 7 of them live: 2 Basis requirements (B, MUSS, to be fulfilled first and without exception), 4 Standard requirements (S, SOLLTE) and 1 requirements for elevated protection needs (H), with 1 number withdrawn (ENTFALLEN) and kept for stable numbering. It is applied to a building or room in modelling order R2. The requirements property on this node lists every requirement by number, title, level and responsible role, so a requirement is cited as INF.7.A<n>.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.