Abstract: A method and a device for remotely controlling the execution of at least one function of a computer system. The method and device are suitable for logging out of a computer application when the user moves a certain distance away from the workstation on which the application is installed. The device includes a mobile identification element (2) having a unique identifier; a computer system (4) with access control; an electronic module forming a base station (3) that can be connected to the computer system (4); a processing system (5) included in the computer system (4), the processing system (5) being capable of communicating with the base station (3) when the latter is connected to the computer system (4).