Is Bigger Better When It Comes to Android Graphical Pattern Unlock?

Author/Creator ORCID

Date

2017-11-20

Department

Program

Citation of Original Publication

Aviv, Adam J.; Kuber, Ravi; Budzitowski, Devon; Is Bigger Better When It Comes to Android Graphical Pattern Unlock?; IEEE Internet Computing ( Volume: 21 , Issue: 6 , November/December 2017 ); https://ieeexplore.ieee.org/document/8114690

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Public Domain Mark 1.0
This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.

Subjects

Abstract

Android unlock patterns are likely the most prevalent graphical password system to date. However, human-chosen authentication stimuli (such as text passwords and PINs) are easy to guess. Does increasing the grid size from 3 × 3 to 4 × 4 help the situation? Yes and no.