Why aren't Users Using Protection? Investigating the Usability of Smartphone Locking

Nicholas Micallef, Mike Just, Lynne Baillie, Martin Halvey, Hilmi Güneş Kayacik

Research output: Chapter in Book/Report/Conference proceedingConference contribution

22 Citations (Scopus)
170 Downloads (Pure)

Abstract

One of the main reasons why smartphone users do not adopt screen locking mechanisms is due to the inefficiency of entering a PIN/pattern each time they use their phone. To address this problem we designed a context-sensitive screen locking application which asked participants to enter a PIN/pattern only when necessary, and evaluated its impact on efficiency and satisfaction. Both groups of participants, who prior to the study either locked or did not lock their phone, adopted our application and felt that unlocking their phone only when necessary was more efficient, did not annoy them and offered a reasonable level of security. Participants responded positively to the option of choosing when a PIN/pattern is required in different contexts. Therefore, we recommend that designers of smartphone locking mechanisms should consider ceding a reasonable level of control over security settings to users to increase adoption and convenience, while keeping smartphones reasonably secure.
Original languageEnglish
Title of host publicationMobileHCI '15
Subtitle of host publicationProceedings of the 17th International Conference on Human-Computer Interaction with Mobile Devices and Services
Place of PublicationNew York
PublisherAssociation for Computing Machinery
Pages284-294
Number of pages11
ISBN (Print)978-1-4503-3652-9
DOIs
Publication statusPublished - Aug 2015
Event17th International Conference on Human-Computer Interaction with Mobile Devices and Services 2015 - Copenhagen, Denmark
Duration: 24 Aug 201527 Aug 2015

Conference

Conference17th International Conference on Human-Computer Interaction with Mobile Devices and Services 2015
Abbreviated titleMobileHCI 2015
CountryDenmark
CityCopenhagen
Period24/08/1527/08/15

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