Protecting the Internet of Things with Security-by-Contract and Fog Computing

Alberto Giaretta, Nicola Dragoni, Fabio Massacci

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


Nowadays, the Internet of Things (IoT) is a consolidated reality. Smart homes are equipped with a growing number of IoT devices that capture more and more information about human beings lives. However, manufacturers paid little or no attention to security, so that various challenges are still in place. In this paper, we propose a novel approach to secure IoT systems that combines the concept of Security-by-Contract (S×C) with the Fog computing distributed paradigm. We define the pillars of our approach, namely the notions of IoT device contract, Fog node policy and contract-policy matching, the respective life-cycles, and the resulting S×C workflow. To better understand all the concepts of the S×C framework, and highlight its practical feasibility, we use a running case study based on a context-aware system deployed in a real smart home.
Original languageEnglish
Title of host publicationProceedings of 2019 IEEE 5th World Forum on Internet of Things
Publication date2019
ISBN (Print)9781538649800
Publication statusPublished - 2019
EventIEEE 5th World Forum on Internet of Things - University of Limerick, Limerick, Ireland
Duration: 15 Apr 201918 Apr 2019


ConferenceIEEE 5th World Forum on Internet of Things
LocationUniversity of Limerick
Internet address


  • Security-by-contract
  • Fog computing
  • IoT

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