A new sub-characteristic under reliability. It describes how far the system keeps its level of correctness under difficult conditions: unseen, biased, adversarial or invalid inputs, outside interference, environmental conditions, and the ordinary requirement that the system works as its developers intended. Safety and security depend on it. The second edition points to the functional safety and AI series for assessment methods.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.