Abstract: A computer disconnect device that may have an external communications cable connector; a jumper communications cable connector; a switch; external wiring for connecting the external communications cable connector to the external side of the switch; and jumper wiring for connecting the switch to the jumper communications cable connector. The external communications cable connector may be adapted to be connected to an external communications cable, and a jumper communications cable may be connected between the jumper communications cable connector and a computer. The switch may be used to selectively connect and disconnect the computer and the external communications cable. The computer disconnect device may include a housing, a lock and a status indicator. The external communications cable may be connected to any suitable network, such as the Internet or an intranet, or to any other suitable communications device.