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Home » Android Permissions Remystified: A Field Study on Contextual Integrity
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Android Permissions Remystified: A Field Study on Contextual Integrity

Authors: 

Primal Wijesekera, University of British Columbia; Arjun Baokar, Ashkan Hosseini, Serge Egelman, and David Wagner, University of California, Berkeley; Konstantin Beznosov, University of British Columbia

Abstract: 

We instrumented the Android platform to collect data regarding how often and under what circumstances smartphone applications access protected resources regulated by permissions. We performed a 36-person field study to explore the notion of “contextual integrity,” i.e., how often applications access protected resources when users are not expecting it. Based on our collection of 27M data points and exit interviews with participants, we examine the situations in which users would like the ability to deny applications access to protected resources. At least 80% of our participants would have preferred to prevent at least one permission request, and overall, they stated a desire to block over a third of all requests. Our findings pave the way for future systems to automatically determine the situations in which users would want to be confronted with security decisions.

Primal Wijesekera, University of British Columbia

Arjun Baokar, University of California, Berkeley

Ashkan Hosseini, University of California, Berkeley

Serge Egelman, University of California, Berkeley

David Wagner, University of California, Berkeley

Konstantin Beznosov, University of British Columbia

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BibTeX
@inproceedings {190982,
author = {Primal Wijesekera and Arjun Baokar and Ashkan Hosseini and Serge Egelman and David Wagner and Konstantin Beznosov},
title = {Android Permissions Remystified: A Field Study on Contextual Integrity},
booktitle = {24th USENIX Security Symposium (USENIX Security 15)},
year = {2015},
isbn = {978-1-939133-11-3},
address = {Washington, D.C.},
pages = {499--514},
url = {https://www.usenix.org/conference/usenixsecurity15/technical-sessions/presentation/wijesekera},
publisher = {USENIX Association},
month = aug,
}
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