Fuente: Wipo "IOT" This IoT apparatus credibility calculation device is provided with: a first acquisition unit which acquires measurement data emitted over time from an IoT apparatus having a sensor; a non-measurement information acquisition unit which acquires non-measurement information that is information other than the measurement data emitted from the IoT apparatus; and a credibility calculation unit which calculates the credibility of the measurement data emitted from the IoT apparatus on the basis of the measurement data acquired by the first acquisition unit and the non-measurement information acquired by the non-measurement information acquisition unit.