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Explore the cybersecurity vulnerabilities of Low Earth Orbit satellite constellations in this 24-minute DEF CON 33 conference talk that examines how adversaries can exploit unique characteristics of satellite networks to execute persistent, targeted DDoS attacks. Discover the specific weaknesses inherent in satellite communications, including dynamic topologies, limited bandwidth constraints, and predictable orbital patterns that make these networks susceptible to attacks requiring minimal botnet resources. Learn about advanced attack methodologies and frameworks, particularly the HYDRA framework, which demonstrates how attackers can optimize botnet composition and allocation to achieve multi-zone disruptions across satellite networks. Gain insights into the theoretical models, simulation results, and optimization techniques that reveal both sophisticated attack strategies and emerging countermeasures being developed to protect these critical communication infrastructures. Understand the practical implications through detailed case studies and receive actionable recommendations for implementing defensive measures essential for securing satellite communications against evolving cyber threats targeting global broadband and other satellite-based services.
