Patch policies and procedures for operating systems and software are set by asset type and importance; patch status of key servers, network and security systems is tracked periodically; compensating measures apply where the latest patch cannot be applied for service reasons; patching of key systems over the public internet is restricted; and patch management systems are protected by access control (Standards for Securing Personal Information Article 9).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.