Graphical passwords have been proposed to address known problems with traditional text passwords. For example, memorable user-chosen text passwords are predictable, but random sys...
Elizabeth Stobert, Alain Forget, Sonia Chiasson, P...
Click based graphical passwords that use background images suffer from hot-spot problem. Previous graphical password schemes based on recognition of images do not have a sufficient...
Kemal Bicakci, Nart Bedin Atalay, Mustafa Yuceel, ...
Usable security has unique usability challenges because the need for security often means that standard humancomputer-interaction approaches cannot be directly applied. An importa...
Sonia Chiasson, Alain Forget, Robert Biddle, Paul ...
Users gain access to cash, confidential information and services at Automated Teller Machines (ATMs) via an authentication process involving a Personal Identification Number (PIN)...
Previous research has found graphical passwords to be more memorable than non-dictionary or “strong” alphanumeric passwords. Participants in a prior study expressed concerns t...