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Explore maritime cybersecurity through this 26-minute DEF CON 33 conference talk that delves into the security analysis of NMEA2000 networks used in modern vessel control systems. Learn about the increasing complexity and interconnectedness of maritime operational technology (OT) systems as the industry moves toward automation and crew reduction. Discover how researchers constructed a five-node NMEA2000 system including GPS/Radar, Wind Speed/Direction sensors, and Multifunction Display to analyze network behavior in this previously unexplored domain. Understand the technical foundations of NMEA2000 as an application layer protocol built on ISO11783 standards and compatible with automotive SAEJ1939, utilizing Parameter Group Numbers for data communication. Examine the methodology for developing deterministic fingerprints for each sensor type to establish baseline normal operating behavior, and see how controlled attack scenarios test the accuracy and effectiveness of these security fingerprints. Gain insights into this foundational research addressing the critical gap in open-source datasets for maritime network security, contributing to enhanced security and reliability in maritime OT systems.
