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Paul DiGioia

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Paul DiGioia

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Publications by Paul DiGioia (bibliography)

» 2006 «

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Rode, Jennifer Ann, Johansson, Carolina, DiGioia, Paul, Filho, Roberto Silva, Nies, Kari, Nguyen, David H., Ren, Jie, Dourish, Paul and Redmiles, David F. (2006): Seeing further: extending visualization as a basis for usable security. In: Proceedings of the 2006 Symposium on Usable Privacy and Security 2006. pp. 145-155. Available online

“The focus of our approach to the usability considerations of privacy and security has been on providing people with information they can use to understand the implications of their interactions with a system, as well as, to assess whether or not a system is secure enough for their immediate needs. To this end, we have been exploring two design principles for secure interaction: visualizing system activity and integrating configuration and action. Here we discuss the results of a user study designed as a broad formative examination of the successes and failures of an initial prototype based around these principles. Our response to the results of this study has been twofold. First, we have fixed a number of implementation and usability problems. Second, we have extended our visualizations to incorporate new considerations regarding the temporal and structural organization of interactions.”

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» 2005 «

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DiGioia, Paul and Dourish, Paul (2005): Social navigation as a model for usable security. In: Proceedings of the 2005 Symposium on Usable Privacy and Security 2005. pp. 101-108. Available online

“As interest in usable security spreads, the use of visual approaches in which the functioning of a distributed system is made visually available to end users is an approach that a number of researchers have examined. In this paper, we discuss the use of the social navigation paradigm as a way of organizing visual displays of system action. Drawing on a previous study of security in the Kazaa peer to peer system, we present some examples of the ways in which social navigation can be incorporated in support of usable security.”

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