Security analyses of click-based graphical passwords via image point memorability

BB Zhu, J Yan, D Wei, M Yang - Proceedings of the 2014 ACM SIGSAC …, 2014 - dl.acm.org
We propose a novel concept and a model of image point memorability (IPM) for analyzing
click-based graphical passwords that have been studied extensively in both the security and …

Exploiting predictability in click-based graphical passwords

PC van Oorschot, J Thorpe - Journal of Computer Security, 2011 - content.iospress.com
We provide an in-depth study of the security of click-based graphical password schemes like
PassPoints (Weidenbeck et al., 2005), by exploring popular points (hot-spots), and …

Exploring usability effects of increasing security in click-based graphical passwords

E Stobert, A Forget, S Chiasson… - Proceedings of the 26th …, 2010 - dl.acm.org
Graphical passwords have been proposed to address known problems with traditional text
passwords. For example, memorable user-chosen text passwords are predictable, but …

Security implications of password discretization for click-based graphical passwords

BB Zhu, D Wei, M Yang, J Yan - … of the 22nd international conference on …, 2013 - dl.acm.org
Discretization is a standard technique used in click-based graphical passwords for tolerating
input variance so that approximately correct passwords are accepted by the system. In this …

[PDF][PDF] On predicting and exploiting hot-spots in click-based graphical passwords

PC Van Oorschot, J Thorpe - … Science, Carleton University, Tech. Rep. TR …, 2008 - Citeseer
We provide an in-depth study of the security of click-based graphical password schemes like
PassPoints (Weidenbeck et al., 2005), by exploring popular points (hot-spots), and …

Towards secure design choices for implementing graphical passwords

J Thorpe, PC Van Oorschot - 20th Annual Computer Security …, 2004 - ieeexplore.ieee.org
We study the impact of selected parameters on the size of the password space for" Draw-A-
Secret"(DAS) graphical passwords. We examine the role of and relationships between the …

A second look at the usability of click-based graphical passwords

S Chiasson, R Biddle, PC Van Oorschot - Proceedings of the 3rd …, 2007 - dl.acm.org
Click-based graphical passwords, which involve clicking a set of user-selected points, have
been proposed as a usable alternative to text passwords. We conducted two user studies …

Multiple password interference in text passwords and click-based graphical passwords

S Chiasson, A Forget, E Stobert… - Proceedings of the 16th …, 2009 - dl.acm.org
The underlying issues relating to the usability and security of multiple passwords are largely
unexplored. However, we know that people generally have difficulty remembering multiple …

GridMap: enhanced security in cued-recall graphical passwords

N Van Balen, H Wang - International Conference on Security and Privacy …, 2015 - Springer
Despite their widespread usage, text-based passwords are vulnerable to password cracking
as users tend to choose weak passwords. This is mainly because the more secure a …

User interface design affects security: Patterns in click-based graphical passwords

S Chiasson, A Forget, R Biddle… - International Journal of …, 2009 - Springer
Abstract Design of the user interface for authentication systems influences users and may
encourage either secure or insecure behaviour. Using data from four different but closely …