Chapter 4 An Architecture for Dynamic Trust Management in IoT Security

Stef Verreydt; Dimitri Van Landuyt; Michail Bampatsikos; Rustem Dautov; Hui Song; Shukun Tokas; Tom Van Eyck; Sam Michiels; Apostolis Zarras; Thodoris Ioannidis; Christos Xenakis; Danny Hughes; Wouter Joosen

Chapter 4 An Architecture for Dynamic Trust Management in IoT Security

By Stef Verreydt, DistriNet, KU Leuven, Leuven, Belgium, stef.verreydt@kuleuven.be | Dimitri Van Landuyt, DistriNet/LIRIS, KU Leuven, Leuven, Belgium, dimitri.vanlanduyt@kuleuven.be | Michail Bampatsikos, University of Piraeus, Piraeus, Greece, mbampatsikos@ssl-unipi.gr | Rustem Dautov, SINTEF Digital, Forskningsveien 1, 0373 Oslo, Norway, rustem.dautov@sintef.no | Hui Song, SINTEF Digital, Forskningsveien 1, 0373 Oslo, Norway, hui.song@sintef.no | Shukun Tokas, SINTEF Digital, Forskningsveien 1, 0373 Oslo, Norway, shukun.tokas@sintef.no | Tom Van Eyck, DistriNet, KU Leuven, Leuven, Belgium, tom.vaneyck@kuleuven.be | Sam Michiels, DistriNet, KU Leuven, Leuven, Belgium, sam.michiels@kuleuven.be | Apostolis Zarras, University of Piraeus, Piraeus, Greece, zarras@ssl-unipi.gr | Thodoris Ioannidis, University of Piraeus, Piraeus, Greece, th.ioannidis@ssl-unipi.gr | Christos Xenakis, University of Piraeus, Piraeus, Greece, xenakis@unipi.gr | Danny Hughes, DistriNet, KU Leuven, Leuven, Belgium, danny.hughes@kuleuven.be | Wouter Joosen, DistriNet, KU Leuven, Leuven, Belgium, wouter.joosen@kuleuven.be

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Published: 07 May 2025

Abstract

Delving into the architecture and implementation of dynamic trust management in IoT security. It examines the challenges of securing diverse and resource-constrained devices in untrusted environments. The chapter explores the ERATOSTHENES project’s approach to establishing and re-assessing trust scores for devices based on their capabilities, context, prior knowledge, and security guarantees. It discusses key components like the Trust Manager & Broker, Threat Modeling & Risk Assessment module, and Trust Agent, highlighting their role in creating adaptive and resilient IoT systems.