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Architectural Optimization for Confidentiality Under Structural Uncertainty

Walter, Maximilian ORCID iD icon 1; Hahner, Sebastian ORCID iD icon 1; Seifermann, Stephan ORCID iD icon 1; Bures, Tomas; Hnetynka, Petr; Pacovský, Jan; Heinrich, Robert 1
1 Institut für Informationssicherheit und Verlässlichkeit (KASTEL), Karlsruher Institut für Technologie (KIT)


More and more connected systems gather and exchange data. This allows building smarter, more efficient and overall better systems.
However, the exchange of data also leads to questions regarding the confidentiality of these systems. Design notions such as Security by Design or Privacy by Design help to build secure and confidential systems by considering confidentiality already at the design-time.
During the design-time, different analyses can support the architect. However, essential properties that impact confidentiality, such as the deployment, might be unknown during the design-time, leading to structural uncertainty about the architecture and its confidentiality. Structural uncertainty in the software architecture represents unknown properties about the structure of the software architecture. This can be, for instance, the deployment or the actual implementation of a component.
For handling this uncertainty, we combine a design space exploration and optimization approach with a dataflow-based confidentiality analysis. This helps to estimate the confidentiality of an architecture under structural uncertainty.
We evaluated our approach on four application examples. ... mehr

Postprint §
DOI: 10.5445/IR/1000150491
Veröffentlicht am 20.08.2023
DOI: 10.1007/978-3-031-15116-3_14
Zitationen: 1
Zitationen: 6
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Informationssicherheit und Verlässlichkeit (KASTEL)
Institut für Programmstrukturen und Datenorganisation (IPD)
Publikationstyp Proceedingsbeitrag
Publikationsjahr 2022
Sprache Englisch
Identifikator ISBN: 978-3-031-15115-6
ISSN: 0302-9743
KITopen-ID: 1000150491
HGF-Programm 46.23.03 (POF IV, LK 01) Engineering Security for Mobility Systems
Erschienen in Software Architecture : 15th European Conference, ECSA 2021 Tracks and Workshops; Växjö, Sweden, September 13–17, 2021 : Revised Selected Papers. Ed.: P. Scandurra
Veranstaltung 15th European Conference on Software Architecture (ECSA 2021), Online, 13.09.2021 – 17.09.2021
Verlag Springer Nature Switzerland AG
Seiten 309–332
Serie Lecture Notes in Computer Science ; 13365
Bemerkung zur Veröffentlichung Gesamtwerk DOI: 10.1007/978-3-031-15116-3
Vorab online veröffentlicht am 19.08.2022
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