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User experiences of TORPEDO: TOoltip-powered phishing email DetectiOn
Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Mathematics and Computer Science. Technische Universität Darmstadt.
University of Glasgow.
Technische Universität Darmstadt.
Technische Universität Darmstadt.
2017 (English)In: Computers & security (Print), ISSN 0167-4048, E-ISSN 1872-6208Article in journal (Refereed) In press
Abstract [en]

We propose a concept called TORPEDO to improve phish detection by providing just-in-time and just-in-place trustworthy tooltips. These help people to identify phish links embedded in emails. TORPEDO's tooltips contain the actual URL with the domain highlighted. Link activation is delayed for a short period, giving the person time to inspect the URL before they click on a link. Furthermore, TORPEDO provides an information diagram to explain phish detection. We evaluated TORPEDO's effectiveness, as compared to the worst case “status bar” as provided by other Web email interfaces. People using TORPEDO performed significantly better in detecting phishes and identifying legitimate emails (85.17% versus 43.31% correct answers for phish). We then carried out a field study with a number of TORPEDO users to explore actual user experiences of TORPEDO. We conclude the paper by reporting on the outcome of this field study and suggest improvements based on the feedback from the field study participants.

Place, publisher, year, edition, pages
Elsevier, 2017.
Keyword [en]
Phishing detection, Email, Thunderbird, Usable security, Tooltips, User studies
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:kau:diva-48084DOI: 10.1016/j.cose.2017.02.004OAI: oai:DiVA.org:kau-48084DiVA: diva2:1078874
Available from: 2017-03-06 Created: 2017-03-06 Last updated: 2017-06-20Bibliographically approved

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Volkamer, Melanie
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Citation style
  • apa
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