{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T01:52:35Z","timestamp":1790041955475,"version":"4.0.1"},"publisher-location":"New York, NY, USA","reference-count":51,"publisher":"ACM","license":[{"start":{"date-parts":[[2020,10,5]],"date-time":"2020-10-05T00:00:00Z","timestamp":1601856000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2020,10,5]]},"DOI":"10.1145\/3379503.3403544","type":"proceedings-article","created":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T16:31:59Z","timestamp":1601569919000},"page":"1-17","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":9,"title":["Is Implicit Authentication on Smartphones Really Popular? On Android Users\u2019 Perception of \u201cSmart Lock for Android\u201d"],"prefix":"10.1145","author":[{"given":"Masoud","family":"Mehrabi Koushki","sequence":"first","affiliation":[{"name":"University of British Columbia, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Borke","family":"Obada-Obieh","sequence":"additional","affiliation":[{"name":"University of British Columbia, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun Ho","family":"Huh","sequence":"additional","affiliation":[{"name":"Samsung Research, Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Konstantin","family":"Beznosov","sequence":"additional","affiliation":[{"name":"University of British Columbia, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2020,10,5]]},"reference":[{"key":"e_1_3_2_1_1_1","volume-title":"Dynamic authentication of smartphone users based on touchscreen gestures. Arabian journal for science and engineering 43, 2","author":"Alghamdi J","year":"2018","unstructured":"Shatha\u00a0 J Alghamdi and Lamiaa\u00a0 A Elrefaei . 2018. Dynamic authentication of smartphone users based on touchscreen gestures. Arabian journal for science and engineering 43, 2 ( 2018 ), 789\u2013810. Shatha\u00a0J Alghamdi and Lamiaa\u00a0A Elrefaei. 2018. Dynamic authentication of smartphone users based on touchscreen gestures. Arabian journal for science and engineering 43, 2 (2018), 789\u2013810."},{"key":"e_1_3_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1109\/PCCC.2014.7017067"},{"key":"e_1_3_2_1_3_1","volume-title":"Using thematic analysis in psychology. Qualitative research in psychology 3, 2","author":"Braun Virginia","year":"2006","unstructured":"Virginia Braun and Victoria Clarke . 2006. Using thematic analysis in psychology. Qualitative research in psychology 3, 2 ( 2006 ), 77\u2013101. Virginia Braun and Victoria Clarke. 2006. Using thematic analysis in psychology. Qualitative research in psychology 3, 2 (2006), 77\u2013101."},{"key":"e_1_3_2_1_4_1","first-page":"22","article-title":"Barriers to adopting technology","volume":"2","author":"Butler L","year":"2002","unstructured":"Darrell\u00a0 L Butler and Martin Sellbom . 2002 . Barriers to adopting technology . Educause Quarterly 2 , 1 (2002), 22 \u2013 28 . Darrell\u00a0L Butler and Martin Sellbom. 2002. Barriers to adopting technology. Educause Quarterly 2, 1 (2002), 22\u201328.","journal-title":"Educause Quarterly"},{"key":"e_1_3_2_1_5_1","volume-title":"Mobile Technology and Home Broadband","author":"Pew\u00a0Research Center","year":"2019","unstructured":"Pew\u00a0Research Center . 2019. Mobile Technology and Home Broadband 2019 . https:\/\/www.pewinternet.org\/2019\/06\/13\/mobile-technology-and-home-broadband-2019\/. Accessed: 2019-07-26. Pew\u00a0Research Center. 2019. Mobile Technology and Home Broadband 2019. https:\/\/www.pewinternet.org\/2019\/06\/13\/mobile-technology-and-home-broadband-2019\/. Accessed: 2019-07-26."},{"key":"e_1_3_2_1_6_1","volume-title":"Eleventh Symposium On Usable Privacy and Security ({SOUPS}","author":"Cherapau Ivan","year":"2015","unstructured":"Ivan Cherapau , Ildar Muslukhov , Nalin Asanka , and Konstantin Beznosov . 2015 . On the Impact of Touch {ID} on iPhone Passcodes . In Eleventh Symposium On Usable Privacy and Security ({SOUPS} 2015). USENIX, Ottawa, Canada, 257\u2013276. Ivan Cherapau, Ildar Muslukhov, Nalin Asanka, and Konstantin Beznosov. 2015. On the Impact of Touch {ID} on iPhone Passcodes. In Eleventh Symposium On Usable Privacy and Security ({SOUPS} 2015). USENIX, Ottawa, Canada, 257\u2013276."},{"key":"e_1_3_2_1_7_1","first-page":"9","article-title":"Overview of the technology acceptance model: Origins, developments and future directions","volume":"9","author":"Chuttur Y","year":"2009","unstructured":"Mohammad\u00a0 Y Chuttur . 2009 . Overview of the technology acceptance model: Origins, developments and future directions . Working Papers on Information Systems 9 , 37 (2009), 9 \u2013 37 . Mohammad\u00a0Y Chuttur. 2009. Overview of the technology acceptance model: Origins, developments and future directions. Working Papers on Information Systems 9, 37 (2009), 9\u201337.","journal-title":"Working Papers on Information Systems"},{"key":"e_1_3_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1186\/2196-064X-1-7"},{"key":"e_1_3_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cose.2013.05.005"},{"key":"e_1_3_2_1_10_1","doi-asserted-by":"publisher","DOI":"10.1287\/mnsc.35.8.982"},{"key":"e_1_3_2_1_11_1","doi-asserted-by":"publisher","DOI":"10.1145\/2702123.2702141"},{"key":"e_1_3_2_1_12_1","doi-asserted-by":"publisher","DOI":"10.1109\/IIHMSP.2010.83"},{"key":"e_1_3_2_1_13_1","doi-asserted-by":"publisher","DOI":"10.1145\/2660267.2660273"},{"key":"e_1_3_2_1_14_1","doi-asserted-by":"publisher","DOI":"10.1109\/THS.2012.6459891"},{"key":"e_1_3_2_1_15_1","volume-title":"Touchalytics: On the applicability of touchscreen input as a behavioral biometric for continuous authentication","author":"Frank Mario","year":"2013","unstructured":"Mario Frank , Ralf Biedert , Eugene Ma , Ivan Martinovic , and Dawn Song . 2013 . Touchalytics: On the applicability of touchscreen input as a behavioral biometric for continuous authentication . IEEE transactions on information forensics and security 8, 1(2013), 136\u2013148. Mario Frank, Ralf Biedert, Eugene Ma, Ivan Martinovic, and Dawn Song. 2013. Touchalytics: On the applicability of touchscreen input as a behavioral biometric for continuous authentication. IEEE transactions on information forensics and security 8, 1(2013), 136\u2013148."},{"key":"e_1_3_2_1_16_1","doi-asserted-by":"publisher","DOI":"10.1109\/JSYST.2015.2472579"},{"key":"e_1_3_2_1_17_1","unstructured":"Google. 2019. Google I\/O 2014 Keynote. https:\/\/www.youtube.com\/watch?time_continue=1659&v=biSpvXBGpE0. Accessed: 2019-02-14.  Google. 2019. Google I\/O 2014 Keynote. https:\/\/www.youtube.com\/watch?time_continue=1659&v=biSpvXBGpE0. Accessed: 2019-02-14."},{"key":"e_1_3_2_1_18_1","volume-title":"Proc. HCI International, Las Vegas. HCI International","author":"Granollers T","year":"2005","unstructured":"T Granollers and J Lor\u00e9s . 2005 . Cognitive Walkthrough With Users: an alternative dimension for usability methods . In Proc. HCI International, Las Vegas. HCI International , Las Vegas, Nevada, USA, 38. T Granollers and J Lor\u00e9s. 2005. Cognitive Walkthrough With Users: an alternative dimension for usability methods. In Proc. HCI International, Las Vegas. HCI International, Las Vegas, Nevada, USA, 38."},{"key":"e_1_3_2_1_19_1","volume-title":"Computers and Artificial Intelligence (ECAI), 2015 7th International Conference on. IEEE","author":"Grivei Alexandru-Cosmin","year":"2015","unstructured":"Alexandru-Cosmin Grivei . 2015 . Touch based biometric authentication for Android devices. In Electronics , Computers and Artificial Intelligence (ECAI), 2015 7th International Conference on. IEEE , Bucharest, Romania, WSD\u201315. Alexandru-Cosmin Grivei. 2015. Touch based biometric authentication for Android devices. In Electronics, Computers and Artificial Intelligence (ECAI), 2015 7th International Conference on. IEEE, Bucharest, Romania, WSD\u201315."},{"key":"e_1_3_2_1_20_1","doi-asserted-by":"crossref","unstructured":"Greg Guest Kathleen\u00a0M MacQueen and Emily\u00a0E Namey. 2011. Applied thematic analysis. sage USA.  Greg Guest Kathleen\u00a0M MacQueen and Emily\u00a0E Namey. 2011. Applied thematic analysis. sage USA.","DOI":"10.4135\/9781483384436"},{"key":"e_1_3_2_1_21_1","volume-title":"Symposium on usable privacy and security (SOUPS). USENIX","author":"Harbach Marian","year":"2014","unstructured":"Marian Harbach , Emanuel Von\u00a0Zezschwitz , Andreas Fichtner , Alexander De\u00a0Luca , and Matthew Smith . 2014 . It\u2019s a hard lock life: A field study of smartphone (un) locking behavior and risk perception . In Symposium on usable privacy and security (SOUPS). USENIX , Menlo Park, CA, USA, 213\u2013230. Marian Harbach, Emanuel Von\u00a0Zezschwitz, Andreas Fichtner, Alexander De\u00a0Luca, and Matthew Smith. 2014. It\u2019s a hard lock life: A field study of smartphone (un) locking behavior and risk perception. In Symposium on usable privacy and security (SOUPS). USENIX, Menlo Park, CA, USA, 213\u2013230."},{"key":"e_1_3_2_1_22_1","doi-asserted-by":"publisher","DOI":"10.1145\/2335356.2335359"},{"key":"e_1_3_2_1_23_1","doi-asserted-by":"publisher","DOI":"10.14722\/usec.2017.23021"},{"key":"e_1_3_2_1_24_1","volume-title":"Proceedings of the ISOneWorld Conference. Citeseer","author":"Karatzouni Sevasti","year":"2007","unstructured":"Sevasti Karatzouni , Steven\u00a0 M Furnell , Nathan\u00a0 L Clarke , and Reinhardt\u00a0 A Botha . 2007 . Perceptions of user authentication on mobile devices . In Proceedings of the ISOneWorld Conference. Citeseer , Las Vegas, NV, USA, 11\u201313. Sevasti Karatzouni, Steven\u00a0M Furnell, Nathan\u00a0L Clarke, and Reinhardt\u00a0A Botha. 2007. Perceptions of user authentication on mobile devices. In Proceedings of the ISOneWorld Conference. Citeseer, Las Vegas, NV, USA, 11\u201313."},{"key":"e_1_3_2_1_25_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-11379-1_13"},{"key":"e_1_3_2_1_26_1","doi-asserted-by":"publisher","DOI":"10.1145\/2639108.2639141"},{"key":"e_1_3_2_1_27_1","volume-title":"Secure, Sometimes Annoying.. In SOUPS","author":"Khan Hassan","unstructured":"Hassan Khan , Urs Hengartner , and Daniel Vogel . 2015. Usability and Security Perceptions of Implicit Authentication: Convenient , Secure, Sometimes Annoying.. In SOUPS . USENIX , Ottawa, Canada , 225\u2013239. Hassan Khan, Urs Hengartner, and Daniel Vogel. 2015. Usability and Security Perceptions of Implicit Authentication: Convenient, Secure, Sometimes Annoying.. In SOUPS. USENIX, Ottawa, Canada, 225\u2013239."},{"key":"e_1_3_2_1_28_1","doi-asserted-by":"publisher","DOI":"10.1109\/HICSS.2015.61"},{"key":"e_1_3_2_1_29_1","unstructured":"Kryptowire. 2019. Kryptowire Continuous Authentication. https:\/\/www.kryptowire.com\/continuous-authentication\/. Accessed: 2019-02-20.  Kryptowire. 2019. Kryptowire Continuous Authentication. https:\/\/www.kryptowire.com\/continuous-authentication\/. Accessed: 2019-02-20."},{"key":"e_1_3_2_1_30_1","doi-asserted-by":"publisher","DOI":"10.1145\/2628363.2628428"},{"key":"e_1_3_2_1_31_1","doi-asserted-by":"crossref","unstructured":"Thomas Mahatody Mouldi Sagar and Christophe Kolski. 2010. State of the art on the cognitive walkthrough method its variants and evolutions. Intl. Journal of Human\u2013Computer Interaction 26 8(2010) 741\u2013785.  Thomas Mahatody Mouldi Sagar and Christophe Kolski. 2010. State of the art on the cognitive walkthrough method its variants and evolutions. Intl. Journal of Human\u2013Computer Interaction 26 8(2010) 741\u2013785.","DOI":"10.1080\/10447311003781409"},{"key":"e_1_3_2_1_32_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.pmcj.2016.06.017"},{"key":"e_1_3_2_1_33_1","doi-asserted-by":"publisher","DOI":"10.1145\/3290605.3300819"},{"key":"e_1_3_2_1_34_1","volume-title":"Twelfth Symposium on Usable Privacy and Security (SOUPS","author":"Marques Diogo","year":"2016","unstructured":"Diogo Marques , Ildar Muslukhov , Tiago Guerreiro , Lu\u00eds Carri\u00e7o , and Konstantin Beznosov . 2016 . Snooping on mobile phones: Prevalence and trends . In Twelfth Symposium on Usable Privacy and Security (SOUPS 2016), Vol.\u00a02. USENIX, Denver, CO, USA, 77. Diogo Marques, Ildar Muslukhov, Tiago Guerreiro, Lu\u00eds Carri\u00e7o, and Konstantin Beznosov. 2016. Snooping on mobile phones: Prevalence and trends. In Twelfth Symposium on Usable Privacy and Security (SOUPS 2016), Vol.\u00a02. USENIX, Denver, CO, USA, 77."},{"key":"e_1_3_2_1_35_1","doi-asserted-by":"publisher","DOI":"10.1145\/2785830.2785835"},{"key":"e_1_3_2_1_36_1","doi-asserted-by":"publisher","DOI":"10.1109\/TC.2016.2622262"},{"key":"e_1_3_2_1_37_1","volume-title":"Biometric recognition: Security and privacy concerns","author":"Prabhakar Salil","year":"2003","unstructured":"Salil Prabhakar , Sharath Pankanti , and Anil\u00a0 K Jain . 2003. Biometric recognition: Security and privacy concerns . IEEE security & privacy 1, 2 ( 2003 ), 33\u201342. Salil Prabhakar, Sharath Pankanti, and Anil\u00a0K Jain. 2003. Biometric recognition: Security and privacy concerns. IEEE security & privacy 1, 2 (2003), 33\u201342."},{"key":"e_1_3_2_1_38_1","doi-asserted-by":"publisher","DOI":"10.1109\/CVPRW.2014.20"},{"key":"e_1_3_2_1_39_1","doi-asserted-by":"publisher","DOI":"10.1145\/3290605.3300393"},{"key":"e_1_3_2_1_40_1","volume-title":"USENIX Security Symposium. USENIX","author":"Riva Oriana","year":"2012","unstructured":"Oriana Riva , Chuan Qin , Karin Strauss , and Dimitrios Lymberopoulos . 2012 . Progressive Authentication: Deciding When to Authenticate on Mobile Phones .. In USENIX Security Symposium. USENIX , Bellevue, WA, USA, 301\u2013316. Oriana Riva, Chuan Qin, Karin Strauss, and Dimitrios Lymberopoulos. 2012. Progressive Authentication: Deciding When to Authenticate on Mobile Phones.. In USENIX Security Symposium. USENIX, Bellevue, WA, USA, 301\u2013316."},{"key":"e_1_3_2_1_41_1","volume-title":"Diffusion of innovations","author":"Rogers M","unstructured":"Everett\u00a0 M Rogers . 2010. Diffusion of innovations . Simon and Schuster , New York, NY, USA . Everett\u00a0M Rogers. 2010. Diffusion of innovations. Simon and Schuster, New York, NY, USA."},{"key":"e_1_3_2_1_42_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICASSP.2014.6854310"},{"key":"e_1_3_2_1_43_1","doi-asserted-by":"publisher","DOI":"10.1145\/2078827.2078833"},{"key":"e_1_3_2_1_44_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jss.2018.11.017"},{"key":"e_1_3_2_1_45_1","unstructured":"James Tiongson. 2015. Mobile app marketing insights: How consumers really find and use your apps.  James Tiongson. 2015. Mobile app marketing insights: How consumers really find and use your apps."},{"key":"e_1_3_2_1_46_1","unstructured":"UnifyID. 2019. UnifyID Implicit Authentication Platform. https:\/\/unify.id\/product\/. Accessed: 2019-02-20.  UnifyID. 2019. UnifyID Implicit Authentication Platform. https:\/\/unify.id\/product\/. Accessed: 2019-02-20."},{"key":"e_1_3_2_1_47_1","volume-title":"A theoretical extension of the technology acceptance model: Four longitudinal field studies. Management science 46, 2","author":"Venkatesh Viswanath","year":"2000","unstructured":"Viswanath Venkatesh and Fred\u00a0 D Davis . 2000. A theoretical extension of the technology acceptance model: Four longitudinal field studies. Management science 46, 2 ( 2000 ), 186\u2013204. Viswanath Venkatesh and Fred\u00a0D Davis. 2000. A theoretical extension of the technology acceptance model: Four longitudinal field studies. Management science 46, 2 (2000), 186\u2013204."},{"key":"e_1_3_2_1_48_1","doi-asserted-by":"crossref","unstructured":"Viswanath Venkatesh Michael\u00a0G Morris Gordon\u00a0B Davis and Fred\u00a0D Davis. 2003. User acceptance of information technology: Toward a unified view. MIS quarterly 27(2003) 425\u2013478.  Viswanath Venkatesh Michael\u00a0G Morris Gordon\u00a0B Davis and Fred\u00a0D Davis. 2003. User acceptance of information technology: Toward a unified view. MIS quarterly 27(2003) 425\u2013478.","DOI":"10.2307\/30036540"},{"key":"e_1_3_2_1_49_1","volume-title":"Predicting consumer intentions to use on-line shopping: the case for an augmented technology acceptance model. Information & management 41, 6","author":"Vijayasarathy R","year":"2004","unstructured":"Leo\u00a0 R Vijayasarathy . 2004. Predicting consumer intentions to use on-line shopping: the case for an augmented technology acceptance model. Information & management 41, 6 ( 2004 ), 747\u2013762. Leo\u00a0R Vijayasarathy. 2004. Predicting consumer intentions to use on-line shopping: the case for an augmented technology acceptance model. Information & management 41, 6 (2004), 747\u2013762."},{"key":"e_1_3_2_1_50_1","volume-title":"Symposium On Usable Privacy and Security, SOUPS, Vol.\u00a014","author":"Xu Hui","year":"2014","unstructured":"Hui Xu , Yangfan Zhou , and Michael\u00a0 R Lyu . 2014 . Towards continuous and passive authentication via touch biometrics: An experimental study on smartphones . In Symposium On Usable Privacy and Security, SOUPS, Vol.\u00a014 . USENIX, Menlo Park, CA, USA, 187\u2013198. Hui Xu, Yangfan Zhou, and Michael\u00a0R Lyu. 2014. Towards continuous and passive authentication via touch biometrics: An experimental study on smartphones. In Symposium On Usable Privacy and Security, SOUPS, Vol.\u00a014. USENIX, Menlo Park, CA, USA, 187\u2013198."},{"key":"e_1_3_2_1_51_1","doi-asserted-by":"publisher","DOI":"10.5555\/2003213.2003217"}],"event":{"name":"MobileHCI '20: 22nd International Conference on Human-Computer Interaction with Mobile Devices and Services","location":"Oldenburg Germany","acronym":"MobileHCI '20","sponsor":["SIGCHI ACM Special Interest Group on Computer-Human Interaction"]},"container-title":["22nd International Conference on Human-Computer Interaction with Mobile Devices and Services"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3379503.3403544","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3379503.3403544","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T22:02:23Z","timestamp":1750197743000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3379503.3403544"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,10,5]]},"references-count":51,"alternative-id":["10.1145\/3379503.3403544","10.1145\/3379503"],"URL":"https:\/\/doi.org\/10.1145\/3379503.3403544","relation":{},"subject":[],"published":{"date-parts":[[2020,10,5]]},"assertion":[{"value":"2020-10-05","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}