SoK: Delegated Security in the Internet of Things

Emiliia Geloczi (), Felix Klement, Patrick Struck and Stefan Katzenbeisser ()
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Emiliia Geloczi: Faculty of Computer Science and Mathematics, University of Passau, 94032 Passau, Germany
Felix Klement: Faculty of Computer Science and Mathematics, University of Passau, 94032 Passau, Germany
Patrick Struck: Cryptography and Cyber Security, Department of Computer and Information Science, University of Konstanz, 78464 Konstanz, Germany
Stefan Katzenbeisser: Faculty of Computer Science and Mathematics, University of Passau, 94032 Passau, Germany

Future Internet, 2025, vol. 17, issue 5, 1-55

Abstract: The increased use of electronic devices in the Internet of Things (IoT) leads not only to an improved comfort of living but also to an increased risk of attacks. IoT security has thus become an important research field. However, due to limits on performance and bandwidth, IoT devices are often not powerful enough to execute, e.g., costly cryptographic algorithms or protocols. This limitation can be solved through a delegation concept. By delegating certain operations to devices with sufficient resources, it is possible to achieve a high level of security without overloading a device that needs protection. In this paper, we give an overview of current approaches for security delegation in the context of IoT, formalise security notions, discuss the security of existing approaches, and identify further research questions. Furthermore, a mathematical formalisation of the CIA triad (confidentiality, integrity, and availability) is proposed for the predefined application areas, in order to evaluate the different approaches.

Keywords: Internet of Things; delegation; security; access control; authorisation; computation; authentication (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2025
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