Abstract: A security system to secure an area, the system having a sensor system to determine a location of a moving object within said area, the sensor system including a radar system; a control device connected to said sensor system; an illumination device to provide a light beam said light beam being directable to different locations in said area; and an actuator controlled by said control device to direct said light beam to a desired location, wherein said control device is configured to direct the light beam to a location where the presence of a living body is determined by said sensor system.