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Eighth International Symposium on Human Aspects of Information Security & Assurance (HAISA 2014)
Title: A Trust Domains Taxonomy for Securely Sharing Information: A Preliminary Investigation
Author(s): Nalin Asanka Gamagedara Arachchilage, Andrew Martin
Keywords: Trustworthiness; Trust Domains; Information Security; Usable Security; Human Factor in Security
Abstract: Information sharing has become a vital part in our day-to-day life due to the pervasiveness of Internet technology. In any given collaboration,
information needs to flow from one participant to another. While participants may be interested in sharing information with one another, it is
often necessary for them to establish the impact of sharing certain kinds of information. This is because certain information could have
detrimental effects when it ends up in wrong hands. For this reason, any would-be participant in a collaboration may need to establish the
guarantees that the collaboration provides, in terms of protecting sensitive information, before joining the collaboration as well as evaluating the
impact of sharing a given piece of information with a given set of entities. In order to address this issue, earlier work introduced a trust domains
taxonomy that aims at managing trust-related issues in information sharing. This paper attempts to empirically investigate the proposed
taxonomy through a possible scenario (e.g. the ConfiChair system). The study results determined that Role, Policy, Action, Control, Evidence
and Asset elements should be incorporated into the taxonomy for securely sharing information among others. Additionally, the study results
showed that the ConfiChair, a novel cloud-based conference management system, offers strong privacy and confidentiality guarantees.
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