Document Type

Conference Proceeding

Language

eng

Format of Original

10 p.

Publication Date

6-2013

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Source Publication

2013 IEEE 7th International Conference on Software Security and Reliability-Companion (SERE-C)

Source ISSN

978-1-4799-2924-5

Original Item ID

doi: 10.1109/SERE-C.2013.31

Abstract

Privacy is the most often cited criticism of context awareness in pervasive environments. Context aware pervasive applications have the vulnerabilities of capturing extensive portions of users' activities. Whether such data capture is an actual threat or not, users' perceptions of such possibilities may discourage them from using many useful pervasive applications. So far, in context aware pervasive applications, location data has been the main focus to make users anonymous. However in reality, user anonymity depends on all the privacy sensitive data collected by a particular application. Preserving user privacy or in other words, protecting user anonymity with the help of an anonymizer has the susceptibility of a single point of failure. In this paper, we propose a Formal Collaborative Model (FCM) that preserves users' anonymity without an anonymizer. This model can also quantify the amount of privacy at stake at the time of asking for services from untrustworthy service providers. Since our model can quantify service requester's achieved privacy when a request is going to be placed, it allows the users to be aware of their overall privacy preference situation in a pervasive environment.

Comments

Accepted version. Published as part of the proceedings of the conference, 2013 IEEE 7th International Conference on Software Security and Reliability-Companion (SERE-C), 2013: 84-93. DOI. © 2013 The Institute of Electrical and Electronics Engineers. Used with permission.

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