{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,28]],"date-time":"2025-09-28T20:41:22Z","timestamp":1759092082098,"version":"3.41.0"},"publisher-location":"New York, NY, USA","reference-count":30,"publisher":"ACM","license":[{"start":{"date-parts":[[2020,12,7]],"date-time":"2020-12-07T00:00:00Z","timestamp":1607299200000},"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":[[2020,12,7]]},"DOI":"10.1145\/3427228.3427252","type":"proceedings-article","created":{"date-parts":[[2020,12,9]],"date-time":"2020-12-09T22:20:18Z","timestamp":1607552418000},"page":"219-233","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":18,"title":["Double Patterns: A Usable Solution to Increase the Security of Android Unlock Patterns"],"prefix":"10.1145","author":[{"given":"Tim","family":"Forman","sequence":"first","affiliation":[{"name":"United States Naval Academy, United States of America"}]},{"given":"Adam","family":"Aviv","sequence":"additional","affiliation":[{"name":"The George Washington University, United States of America"}]}],"member":"320","published-online":{"date-parts":[[2020,12,8]]},"reference":[{"unstructured":"Daniel Amitay. 2011. Most Common iPhone Passcodes. http:\/\/danielamitay.com\/blog\/2011\/6\/13\/most-common-iphone-passcodes as of 2020\/10\/14 14:16:40.  Daniel Amitay. 2011. Most Common iPhone Passcodes. http:\/\/danielamitay.com\/blog\/2011\/6\/13\/most-common-iphone-passcodes as of 2020\/10\/14 14:16:40.","key":"e_1_3_2_1_1_1"},{"volume-title":"Complexity Metrics and User Strength Perceptions of the Pattern-Lock Graphical Authentication Method. In Conference on Human Aspects of Information Security, Privacy and Trust(HAS\u00a0\u201914)","year":"2014","author":"Andriotis Panagiotis","key":"e_1_3_2_1_2_1"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_3_1","DOI":"10.1145\/2462096.2462098"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_4_1","DOI":"10.1145\/2818000.2818014"},{"volume-title":"Towards Baselines for Shoulder Surfing on Mobile Authentication. In Annual Conference on Computer Security Applications(ACSAC\u00a0\u201917)","year":"2017","author":"Aviv J.","key":"e_1_3_2_1_5_1"},{"volume-title":"Aviv and Markus D\u00fcrmuth","year":"2018","author":"J.","key":"e_1_3_2_1_6_1"},{"volume-title":"Smudge Attacks on Smartphone Touch Screens. In USENIX Workshop on Offensive Technologies(WOOT\u00a0\u201910)","year":"2010","author":"Aviv J.","key":"e_1_3_2_1_7_1"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_8_1","DOI":"10.1145\/2420950.2420957"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_9_1","DOI":"10.1109\/SP.2012.49"},{"doi-asserted-by":"crossref","unstructured":"Joseph Bonneau S\u00f6ren Preibusch and Ross Anderson. 2012. A birthday present every eleven wallets? The security of customer-chosen banking PINs. In Financial Cryptography and Data Security. 25\u201340.  Joseph Bonneau S\u00f6ren Preibusch and Ross Anderson. 2012. A birthday present every eleven wallets? The security of customer-chosen banking PINs. In Financial Cryptography and Data Security. 25\u201340.","key":"e_1_3_2_1_10_1","DOI":"10.1007\/978-3-642-32946-3_3"},{"volume-title":"Boosting the Guessing Attack Performance on Android Lock Patterns with Smudge Attacks. In ACM Asia Conference on Computer and Communications Security(ASIA\u00a0CCS\u00a0\u201917)","year":"2017","author":"Cha Seunghun","key":"e_1_3_2_1_11_1"},{"volume-title":"SysPal: System-Guided Pattern Locks for Android. In IEEE Symposium on Security and Privacy(SP\u00a0\u201917)","year":"2017","author":"Cho Geumhwan","key":"e_1_3_2_1_12_1"},{"unstructured":"Nik Cubrilovic. 2009. RockYou Hack: From Bad To Worse. https:\/\/techcrunch.com\/2009\/12\/14\/rockyou-hack-security-myspace-facebook-passwords\/ as of 2020\/10\/14 14:16:40.  Nik Cubrilovic. 2009. RockYou Hack: From Bad To Worse. https:\/\/techcrunch.com\/2009\/12\/14\/rockyou-hack-security-myspace-facebook-passwords\/ as of 2020\/10\/14 14:16:40.","key":"e_1_3_2_1_13_1"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_14_1","DOI":"10.1145\/2556288.2557097"},{"volume-title":"On the In-Accuracy and Influence of Android Pattern Strength Meters. In Workshop on Usable Security(USEC\u201919)","year":"2019","author":"Golla Maximilian","key":"e_1_3_2_1_15_1"},{"volume-title":"Symposium on Usable Privacy and Security(SOUPS \u201914)","year":"2014","author":"Harbach Marian","key":"e_1_3_2_1_16_1"},{"doi-asserted-by":"crossref","unstructured":"Taekyoung Kwon and Sarang Na. 2014. TinyLock: Affordable defense against smudge attacks on smartphone pattern lock systems. computers & security 42(2014) 137\u2013150.  Taekyoung Kwon and Sarang Na. 2014. TinyLock: Affordable defense against smudge attacks on smartphone pattern lock systems. computers & security 42(2014) 137\u2013150.","key":"e_1_3_2_1_17_1","DOI":"10.1016\/j.cose.2013.12.001"},{"volume-title":"On User Choice for Android Unlock Patterns. In European Workshop on Usable Security(EuroUSEC\u00a0\u201916)","year":"2016","author":"L\u00f8ge Marte","key":"e_1_3_2_1_18_1"},{"volume-title":"This PIN Can Be Easily Guessed: Analyzing the Security of Smartphone Unlock PINs. In IEEE Symposium on Security and Privacy(SP\u00a0\u201920)","year":"2020","author":"Markert Philipp","key":"e_1_3_2_1_19_1"},{"volume-title":"Password Entry Usability and Shoulder Surfing Susceptibility on Different Smartphone Platforms. In International Conference on Mobile and Ubiquitous Multimedia(MUM\u00a0\u201912)","year":"2012","author":"Schaub Florian","key":"e_1_3_2_1_20_1"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_21_1","DOI":"10.1145\/2406367.2406384"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_22_1","DOI":"10.1145\/2632048.2636090"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_23_1","DOI":"10.1145\/2702123.2702365"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_24_1","DOI":"10.1016\/j.jisa.2014.10.009"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_25_1","DOI":"10.1145\/3052973.3053041"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_26_1","DOI":"10.1145\/2508859.2516700"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_27_1","DOI":"10.1145\/2702123.2702202"},{"doi-asserted-by":"publisher","key":"e_1_3_2_1_28_1","DOI":"10.1145\/3012709.3012729"},{"volume-title":"Distribution and Security. In ACM Asia Conference on Computer and Communications Security(ASIA\u00a0CCS\u00a0\u201917)","year":"2017","author":"Wang Ding","key":"e_1_3_2_1_29_1"},{"key":"e_1_3_2_1_30_1","article-title":"A Video-based Attack for Android Pattern Lock","volume":"21","author":"Ye Guixin","year":"2018","journal-title":"ACM Transactions on Privacy and Security (TOPS)"}],"event":{"acronym":"ACSAC '20","name":"ACSAC '20: Annual Computer Security Applications Conference","location":"Austin USA"},"container-title":["Annual Computer Security Applications Conference"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3427228.3427252","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3427228.3427252","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T22:02:24Z","timestamp":1750197744000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3427228.3427252"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2020,12,7]]},"references-count":30,"alternative-id":["10.1145\/3427228.3427252","10.1145\/3427228"],"URL":"https:\/\/doi.org\/10.1145\/3427228.3427252","relation":{},"subject":[],"published":{"date-parts":[[2020,12,7]]},"assertion":[{"value":"2020-12-08","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}