Mobile devices have brought a great convenience to us these years, which allow the users
to enjoy the anytime and anywhere various applications such as the online shop** …

Recent advancements in technology have led to profusion of personal computing devices,
such as smart phone, tablet, watch, glasses, and many more. This has contributed to the …

Graphical passwords are an alternative to traditional alphanumeric passwords and can
similarly be used to secure online accounts. The widely used alphanumeric passwords have …

Graphical user authentication (GUA) is a common alternative to text-based user
authentication, where people are required to draw graphical passwords on background …

Graphical passwords have emerged as an alternative to traditional alphanumeric
passwords, offering potentially better memorability. However, they are often vulnerable to …

This paper proposes a two-factor graphical password authentication scheme, PassPage,
which is suitable for website authentication with enhanced security. It leverages the implicit …

Current computing device authentication often presents accessibility barriers for people with
upper extremity impairments (UEI). In this article, we present a framework called Accessible …

With a lot of personal information being stored in the smartphones nowadays, there is an
urgent need to protect them from unauthorised access. The first line of defense of a …

Authentication procedures are employed to verify and validate user's identification on
various smart devices and a variety of digital apps. Alphanumeric and Personal Identification …

One of the main concerns during usage of the current smart mobile devices in public is the
vulnerability of password hacking by shoulder-suffering or smudge attack. The traditional …