When performing a cyber enabling, physical penetration test, open network ports spread throughout a target building can provide a great opportunity for exploitation. However, it’s not often apparent if those ports are connected to a network device on the other end. Determining if a port can be leveraged may take time you do not have. Also, the method of determination may set off port security on the network device.
Mr. Radar is a small, microcontroller driven circuit that determines at the physical layer whether or not a network port is attached to a twisted pair, ethernet based networking device. It can also determine other characteristics such as if the device is 10/100 Mbit/s based, whether a network device is PoE capable, and if the PoE provided is Mode A or Mode B in nature. All of this is determined without setting off port security.