Nalin Asanka Gamagedara Arachchilage

Better, Funner, Stronger: A Gameful Approach to Nudge People into Making Less Predictable Graphical Password Choices

Graphical user authentication (GUA) is a common alternative to text-based user authentication, where people are required to draw graphical passwords on background images. Such schemes are theoretically considered remarkably secure because they offer a large password space. However, people tend to create their passwor…