Others, third parties above all, cannot tell that a user is making use of a resource or service. Components: FPR_UNO.1 Unobservability, FPR_UNO.2 Allocation of information impacting unobservability (spreading the information across parts of the TOE), FPR_UNO.3 Unobservability without soliciting information and FPR_UNO.4 Authorised user observability (defined roles can still observe use).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.