A method is provided for managing a display of a view of an application, executed on a non-secured processor of an electronic data entry device that furthermore includes a secured processor. The application delivers at least one current view having a set of pixels to be displayed on a screen of the device. The managing is implemented under the control of the secured processor and includes: analysis of the current view, delivering at least one piece of data representing a presence of at least one suspect pattern; and, when a presence of a suspect pattern is detected within the current view, implementing by the secured processor at least one protection measure.