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Architecture and Knowledge-Driven Self-Adaptive Security in Smart Space

VTT Technical Research Centre of Finland, Kaitoväylä 1, 90571 Oulu, Finland
VTT Technical Research Centre of Finland, Vuorimiehentie 3, 02044 Espoo, Finland
Author to whom correspondence should be addressed.
Computers 2013, 2(1), 34-66;
Received: 26 November 2012 / Revised: 24 February 2013 / Accepted: 4 March 2013 / Published: 18 March 2013
PDF [1375 KB, uploaded 18 March 2013]


Dynamic and heterogeneous smart spaces cause challenges for security because it is impossible to anticipate all the possible changes at design-time. Self-adaptive security is an applicable solution for this challenge. This paper presents an architectural approach for security adaptation in smart spaces. The approach combines an adaptation loop, Information Security Measuring Ontology (ISMO) and a smart space security-control model. The adaptation loop includes phases to monitor, analyze, plan and execute changes in the smart space. The ISMO offers input knowledge for the adaptation loop and the security-control model enforces dynamic access control policies. The approach is novel because it defines the whole adaptation loop and knowledge required in each phase of the adaptation. The contributions are validated as a part of the smart space pilot implementation. The approach offers reusable and extensible means to achieve adaptive security in smart spaces and up-to-date access control for devices that appear in the space. Hence, the approach supports the work of smart space application developers. View Full-Text
Keywords: architecture; authentication; authorization; ontology; self-adaptation architecture; authentication; authorization; ontology; self-adaptation

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Evesti, A.; Suomalainen, J.; Ovaska, E. Architecture and Knowledge-Driven Self-Adaptive Security in Smart Space. Computers 2013, 2, 34-66.

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