ROBUST VIRTUAL SENSOR

The present invention relates to an electronic device and corresponding method, where the electronic device includes at least two sensors. The at least two sensors are in communication with a virtual sensor including a processing unit adapted to monitor the use of the device based on input from said sensors. The at least two sensors include activity sensors sensing user activities related to the device, and the processing unit is configured to receive and analyze the input from said sensors during use and to provide and store a model representing said typical use of the device. The device further being configured to compare new measurements received from said sensors with said model, providing a signal if the new measurements from said sensors deviates by a predetermined limit from the measurements predicted by the model.