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Economic drivers in security decisions in public Wi-Fi context

Sombatruang, Nisamanee; (2021) Economic drivers in security decisions in public Wi-Fi context. Doctoral thesis (Ph.D), UCL (University College London).

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Abstract

This thesis investigates economic drivers in security decisions in the context of public Wi-Fi. Four sets of studies took place. The first set examined the risks of public Wi-Fi today. An experimental rogue public Wi-Fi was set up for 150 hours first in London, UK, in 2016, and then in Nara, Japan, in 2017. Sensitive data such as emails and login credentials were found to have been transmitted insecurely. The second set of studies examined decision-making and drivers influencing users to use public Wi-Fi. Participants (106 - UK, 103 - Japan) took part in scenario-based questionnaires. Findings showed that the desire to save mobile data allowance, a form of resource preservation heuristic tendency (RPHT), significantly prompted participants who regularly face mobile data constraints to use public Wi-Fi. The next study examined evidence in the wild. Participants (71 - UK only) were recruited for three months to run My Wi-Fi Choices, an Android app developed to capture factors driving the decisions to use public Wi-Fi. The results emphasised the importance of RPHT in driving users to use public Wi-Fi. Therefore, advising an individual trapped in mobile data RPHT to stop using public Wi-Fi entirely is futile. Alternative security advice is needed. This led to the last set of studies examining user decision to adopt a Virtual Private Network (VPN) app which can help to mitigate public Wi-Fi risks. Discrete choice experiments were run with 243 participants (154 - UK, 94 - Japan) to examine attributes of a VPN app affecting user decision. Various attributes of a VPN app were identified as drivers for the download and installation and the actual use of the app. Combining the knowledge gained from all studies, this thesis proposes a RPHT-decision model explaining the effects of RPHT on security decisions.

Type: Thesis (Doctoral)
Qualification: Ph.D
Title: Economic drivers in security decisions in public Wi-Fi context
Event: UCL (University College London)
Language: English
Additional information: Copyright © The Author 2021. Original content in this thesis is licensed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0) Licence (https://creativecommons.org/licenses/by/4.0/). Any third-party copyright material present remains the property of its respective owner(s) and is licensed under its existing terms. Access may initially be restricted at the author’s request.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Security and Crime Science
URI: https://discovery.ucl.ac.uk/id/eprint/10119205
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