Iridium deorbit strategy, execution, and results

Everetts, Walt; Rock, Kenneth; Iovanov, Misa

doi:10.1016/j.jsse.2020.07.013

Cited by 1 publication

(2 citation statements)

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“…Iridium: During the 2019 Orbital Debris Conference [9], Iridium presented a paper on the deorbiting of its 66-satellite B1 constellation. Iridium had replaced its older B1 constellation with its newly launched NEXT constellation.…”

Section: Case Studiesmentioning

confidence: 99%

“…This approach helps to mitigate the vulnerability of not patching EOL satellites with the latest mission flight software. For example, while not a complete digital sanitization procedure, Iridium updated its satellites with a final flight software with deorbiting and passivation sequences, which may have removed the mission flight software [9].…”

Section: B Technical Mitigationmentioning

confidence: 99%

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The Vulnerabilities Less Exploited: Cyberattacks on End-of-Life Satellites

Lee,

Falco

2023

Proceedings 2023 Workshop on Security of Space and Satellite Systems

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End-of-life (EOL) satellites are space assets that have completed their primary mission. Due to their loss in commercial or scientific priority, EOL satellites are often left in place by operators for an extended period, instead of being decommissioned in a timely manner to free up high-value orbits. This period of inactivity exposes EOL satellites to a lower level of operator vigilance, and therefore, higher level of cyberattack risk. With the recent growth in space activities, this paper estimates there will be up to 5,000 inactive satellites in low Earth orbit (LEO) within 5 years, magnifying the space cyber risks and resulting space sustainability challenges. To bolster space cybersecurity, the authors illuminate unique attack vectors against EOL satellites, as well as policy and technical mitigation measures. When part of a constellation, the vulnerability of an EOL satellite has even bigger implications, where a threat actor may use the secondary asset to target primary assets. Ultimately, the active management of EOL satellites is significant for a secure and sustainable LEO infrastructure.

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Section: Case Studiesmentioning

confidence: 99%

Section: B Technical Mitigationmentioning

confidence: 99%