Usability and strength in click-based graphical passwords

Elizabeth Stobert
2010 Proceedings of the 28th of the international conference extended abstracts on Human factors in computing systems - CHI EA '10  
Click-based graphical passwords have attractive usability properties, such as cueing and good memorability. However, image size and number of click-points in each password significantly affect their security. We investigated the usability of such a graphical password system when its parameters were adjusted to provide security equivalent to (or better than) that of text passwords. We found that manipulating different parameters resulted in similar usability. This suggests that the preferred
more » ... od for adjusting security can be dictated by the constraints of devices and preferences of users. For example, mobile devices might use smaller image sizes and more click-points.
doi:10.1145/1753846.1754144 dblp:conf/chi/Stobert10 fatcat:2qa765vkovhfnjd2egmrv6aqg4