The present invention discloses an enforcement system for controlling security in a territory including: (a) a multifunctional device having a plurality of device functionalities; (b) a disabling mechanism for reversibly disabling at least one device functionality; and (c) a gate controller, for enforcing security in the territory, having a restricting mechanism for activating the disabling mechanism. A method for controlling device functionalities of a device in a territory including the steps of: (a) sending a disable instruction to the device to disable at least one device functionality upon entry of the device into the territory; and (b) disabling at least one device functionality, by the device, upon receipt by the device of the disable instruction.