Orbital Shield
Rethinking Satellite Security in the Commercial Off-the-Shelf Era
Nikita Yadav (Indian Institute of Science)
Franziska Vollmer (Technische Universität Darmstadt)
Ahmad Reza Sadeghi (Technische Universität Darmstadt)
Georgios Smaragdakis (TU Delft - Cyber Security)
Alexios Voulimeneas (TU Delft - Cyber Security)
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Abstract
Satellites have become part of critical infrastructure utilized for diverse applications, from Earth observation to communication and military missions. Several trends have reshaped satellite deployment and utilization in recent years, making satellite systems more accessible and vulnerable to cybersecurity threats. A notable trend is adopting Commercially Off-the-Shelf (COTS) hardware and software for satellite systems. However, this approach renders satellites susceptible to well-known cyberattacks. This paper presents a comprehensive exploration of attacks on satellite systems, with a specific emphasis on the security aspects of the satellite platform, encompassing both the bus and payload subsystems. The discussion includes existing security defenses that can enhance the security of the satellite platform. Ultimately, we present a real-world security framework designed to improve the overall security of the satellite platform.