Intrusion detection apparatus, system and methods

Abstract: Described herein are various technologies for detection and mitigation of rogue terminal attacks on multiplex data buses. An intrusion detection device is incorporated between a bus controller and a bus of a multiplex data bus. The intrusion detection device receives message that are communicated among the bus controller and a plurality of remote terminals (by way of the bus). The intrusion detection device determines whether messages are unauthorized based upon origins of the messages and predefined rules. When a message is determined to be unauthorized, the intrusion detection device outputs a notification that the unauthorized message has been detected and can block the unauthorized message.
Filed: 11/2/2016
Application Number: 15/341279
Tech ID: SD 13743.1
This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention.
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