A method for surveillance of a predetermined region includes: —a) preparing at least one surveillance device provided with a sensor configured to detect moving entities in a predetermined region under surveillance; —b) preparing at least one remote control device which can be carried by a user; —c) detecting a moving entity in the predetermined region under surveillance, via the surveillance device; —d) sending, by the surveillance device, a request for authorization; —e) responding, by the remote control device, to the request for authorization by sending authorization data; —f) comparing the authorization data with check data for authorizing the entity detected if the result of the check is positive; —g) making available an alarm signal if the result of the check is negative or inhibiting the alarm signal if the result of the check is positive.