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Autor(en):
M. Jahn
Zusammenfassung:
Safety and cybersecurity are often addressed separately in system design, despite their increasing interdependence. This paper presents a quantitative framework for assessing safety-critical threat scenarios during early design stages. Based on Bayesian networks, the approach models attack propagation and system failures, enabling engineers to evaluate the likelihood of compromise and safety impacts across design alternatives. A key feature is dynamic updating: changes such as component failures or compromises can be introduced to reflect evolving system states and immediately update risk assessments. The framework integrates naturally with model-based systems engineering by providing a practical tool for identifying high-risk paths and, ultimately, allows for designs that are safer and more secure.
Veranstaltung:
Deutscher Luft- und Raumfahrtkongress 2025, Augsburg
Verlag, Ort:
Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal-Oberth e.V., Bonn, 2025
Medientyp:
Conference Paper
Sprache:
englisch
Format:
21,0 x 29,7 cm, 11 Seiten
URN:
urn:nbn:de:101:1-2512221108064.496327610639
DOI:
10.25967/650096
Stichworte zum Inhalt:
Threat scenarios, Attack graphs, Fault Trees, Bayesian Network
Verfügbarkeit:
Download
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Kommentar:
Zitierform:
Jahn, M. (2025): A Framework for Quantifying Safety-Critical Threat Scenarios using Bayesian Network. Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal-Oberth e.V.. (Text). https://doi.org/10.25967/650096. urn:nbn:de:101:1-2512221108064.496327610639.
Veröffentlicht am:
22.12.2025