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Intrusion detection apparatus, system and methods

United States Patent

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10,410,002
September 10, 2019
View the Complete Patent at the US Patent & Trademark Office
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.
15/341,279
November 2, 2016
1/1;
G06F 21/60 (20130101); G06F 13/42 (20060101); H04L 29/06 (20060101); G06F 21/85 (20130101);
STATEMENT OF GOVERNMENTAL INTEREST This invention was developed under contract DE-AC04-94AL85000 between Sandia Corporation and the U.S. Department of Energy. The U.S. Government has certain rights in this invention.