Towards Principled Risk Scores for Space Cyber Risk Management

Space is an emerging domain critical to humankind. Correspondingly, space cybersecurity is an emerging field with much research to be done. To help space cybersecurity practitioners better manage cyber risks, The Aerospace Corporation proposed Notional Risk Scores (NRS) within their Space Attack Research and Tactic Analysis (SPARTA) framework, which can be applied to quantify the cyber risks associated with space infrastructures and systems. While intended for adoption by practitioners, NRS has not been analyzed with real-world scenarios, putting its effectiveness …

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