OPTET D2.5 - Consolidated report on the socio-economic basis for trust and trustworthiness

Abstract

This deliverable provides a public consolidated report on the socio-economic basis for trust and trustworthiness in OPTET. It summarises the basic definitions of trust and trustworthiness that laid the foundation of developing trust and trusworthiness enabling technology over the different OPTET WPs.

Trust in a system is defined as a property of a stakeholder (known as the trustor) reflecting the strength of their belief that engaging in the system for some purpose will produce an acceptable outcome. Trustworthiness on the other side is a property of the system. A system is more trustworthy if it is able to produce an outcome acceptable to all trustors.

The approach taken by OPTET WP2 involves the use of several different models during the design and operation of the system. A conceptual unifying model is presented in this deliverable. At the heart of this model is a semantic model of system trustworthiness, in which threats to the system are described in relation to groups of interacting system assets.

The repeated findings throughout all the exploratory analyses showed that we can cluster users into segments of similar trust-related behaviour.

The foundation established by WP2 has been leveraged by the different OPTET WPs in order to incorporate and manage trust and trustowrthiness over the socio-technical system lifecycle. This includes design, development and certification, distribution and deployment as well as maintenance phase. A specific emphasis in this deliverable is put on the possible future legal measures that are likely to have a role in the overall approach to a trusted Future Internet. The two approaches – trustworthiness-by-design (TWbyD) and data-protection-by-design (DPbyD) – are critically assessed through cross-comparative evaluation. As a result of this critical analysis, this section identifies a need for greater legal integration across the ICT platform lifecycle in order to strengthen a valueby- design approach to a trusted Future Internet environment. In consequence, it proposes the OPTET Legal Integration Model (OPTET-LIM) aimed at raising legal awareness and interdisciplinary exchange from the ICT platform design stage. Finally, it briefly explores the newest legal instrument that explicitly aims at promoting trust online – the Electronic Identification and Trust Services for Electronic Transactions in the Internal Market (eIDAS) Regulation – including its connection to valueby-design and explains why a TWbyD approach is crucial in such an environment.

This deliverable discusses the need for an OPTET Legal Integration Model to support TWbyD in the scope of the OPTET lifecycle. The OPTET-LIM framework is aimed at raising legal awareness and interdisciplinary exchange from the ICT platform design stage, and will be reusable for other, trusted Future Internet applications.

We also give an overview of the OPTET models and the OPTET lifecycle on which the legal models are proposed to be applied.

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Identifiers

ORCID for Laura German: orcid.org/0000-0001-9391-1310

ORCID for Sophie Stalla-Bourdillon: orcid.org/0000-0003-3715-1219

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