Device and method for graphically displaying data movement in a secured network

This invention relates to network security devices, and more particularly to displaying network security information. Embodiments of the invention provide a display screen for a network security device. The screen includes representations of a source and a destination having respective source and destination indicators, such as LEDs. The source indicator is operable to indicate whether the source is authorized or unauthorized. The destination indicator is also operable to indicate whether the destination is authorized or unauthorized to receive the packet. A directional indicator oriented to point from the representation of the source to the representation of the destination is activated if the source and the received packet is authorized, The screen can further comprise additional indicators to indicate whether the security device is operational, to indicate a level of traffic through the security device, or to display a level of activity of a processor for the security device. The screen can be displayed on a computer screen.