Maintain a register of the providers and suppliers contributing to the service, recording company name, address, processing and storage locations, contacts on both sides, service description, risk classification, start of use and compliance proof, and verify entries annually.
C5 (Germany) SSO-03 is one control. If you already hold one of the frameworks below, a reviewed crosswalk already says how much of C5 (Germany) your existing evidence covers. Hold Cloud Security Alliance Cloud Controls Matrix (CCM) v4.0.1 and 95 of 121 C5 (Germany) controls already carry evidence.
Each report names every control your existing framework evidences, every one it does not, the reasoning behind each claim, and the claims that were argued against and rejected. 0 were rejected on the Cloud Security Alliance Cloud Controls Matrix (CCM) v4.0.1 pair alone.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.