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Does This App Respect My Privacy? Design and Evaluation of Information Materials Supporting Privacy-Related Decisions of Smartphone Users

Kulyk, Oksana and Gerber, Paul and Marky, Karola and Beckmann, Christopher and Volkamer, Melanie (2019):
Does This App Respect My Privacy? Design and Evaluation of Information Materials Supporting Privacy-Related Decisions of Smartphone Users.
In: Workshop on Usable Security (USEC) in Conjuction with the Network and Distributed System Security Symposium (NDSS), In: Workshop on Usable Security (USEC) in Conjuction with the Network and Distributed System Security Symposium (NDSS), San Diego, CA, USA, 24 February 2019, ISSN 1-891562-57-6,
DOI: 10.14722/usec.2019.23029,
[Online-Edition: https://www.ndss-symposium.org/wp-content/uploads/2019/02/us...],
[Conference or Workshop Item]

Abstract

Over the years, the wide-spread usage of smartphones leads to large amounts of personal data being stored by them. These data, in turn, can be accessed by the apps installed on the smartphones, and potentially misused, jeopardizing the privacy of smartphone users. While the app stores provide indicators that allow an estimation of the privacy risks of individual apps, these indicators have repeatedly been shown as too confusing for the lay users without technical expertise. We have developed an information flyer with the goal of providing decision support for these users and enabling them make more informed decisions regarding their privacy upon choosing and installing smartphone apps. Our flyer is based on previous research in mental models of smartphone privacy and security and includes heuristics for choosing privacy-friendlier apps used by IT-security experts. It also addresses common misconceptions of users regarding smartphones. The flyer was evaluated in a user study. The results of the study show, that the users who read the flyer tend to take privacy-relevant factors into account by relying on the heuristics in the flyer more often. Hence, the flyer succeeds in supporting users in making more informed privacy-related decisions.

Item Type: Conference or Workshop Item
Erschienen: 2019
Creators: Kulyk, Oksana and Gerber, Paul and Marky, Karola and Beckmann, Christopher and Volkamer, Melanie
Title: Does This App Respect My Privacy? Design and Evaluation of Information Materials Supporting Privacy-Related Decisions of Smartphone Users
Language: English
Abstract:

Over the years, the wide-spread usage of smartphones leads to large amounts of personal data being stored by them. These data, in turn, can be accessed by the apps installed on the smartphones, and potentially misused, jeopardizing the privacy of smartphone users. While the app stores provide indicators that allow an estimation of the privacy risks of individual apps, these indicators have repeatedly been shown as too confusing for the lay users without technical expertise. We have developed an information flyer with the goal of providing decision support for these users and enabling them make more informed decisions regarding their privacy upon choosing and installing smartphone apps. Our flyer is based on previous research in mental models of smartphone privacy and security and includes heuristics for choosing privacy-friendlier apps used by IT-security experts. It also addresses common misconceptions of users regarding smartphones. The flyer was evaluated in a user study. The results of the study show, that the users who read the flyer tend to take privacy-relevant factors into account by relying on the heuristics in the flyer more often. Hence, the flyer succeeds in supporting users in making more informed privacy-related decisions.

Journal or Publication Title: Workshop on Usable Security (USEC)
Title of Book: Workshop on Usable Security (USEC) in Conjuction with the Network and Distributed System Security Symposium (NDSS)
Divisions: 20 Department of Computer Science
20 Department of Computer Science > Telecooperation
Event Title: Workshop on Usable Security (USEC) in Conjuction with the Network and Distributed System Security Symposium (NDSS)
Event Location: San Diego, CA, USA
Event Dates: 24 February 2019
Date Deposited: 12 Mar 2019 15:58
DOI: 10.14722/usec.2019.23029
Official URL: https://www.ndss-symposium.org/wp-content/uploads/2019/02/us...
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