Term Kind Topic What it is
Control Design vs Operating Effectiveness concept Control Design vs Operation The distinction between a control being correctly designed to address a risk and it actually having worked consistently over a period.
Operating Effectiveness concept Control Design vs Operation Whether a control actually ran, consistently, over a period — as distinct from whether it was well designed, and the harder of the two to demonstrate.
Silent Control Failure Dormant Control, Control Decay concept Control Design vs Operation A control that has stopped operating while still reporting success, so the organisation keeps making decisions on the assumption that it is protecting them.