A cybersecurity professional presents a threat modelling exercise for satellite supply chain systems using a Neo4j knowledge graph. By mapping relationships between satellites, components, vulnerabilities, suppliers, ground stations, users, and roles, the graph reveals attack propagation paths that flat data structures cannot. The project was demonstrated at ESA's AI STAR Symposium and extended with a Neo4j Aura Agent that lets security analysts query the graph in plain language without writing Cypher. The post highlights the real-world risk of satellite cyberattacks, citing Japan's 2024 space agency breach and rising software supply chain attack rates, and provides a basic guide for replicating the approach.
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