In this position paper, we present a new mechanism for contextdependent user
authentication. We propose an approach in which the type of authentication (single/two …

The online privacy and security of the disabled community is a complex field that has
implications for every user who navigates web services. While many disciplines have …

This paper details an authentication mechanism aimed to aid individuals with visual
impairments in accessing online accounts on desktop computers, and decrease the security …

An effective user authentication mechanism should embrace both security and usability
aspects as its purpose is to ensure safety of operation of online services but as well usability …

It is estimated that over 1 billion people are active mobile phone users in 2018. When using
a mobile phone, there are a variety of ways to authenticate and “secure” the device, and …

Usability and security challenges with standard text passwords have led researchers and
professionals to consider alternative authentication schemes. This thesis explores the …

User authentication is a fundamental aspect of security, and a standard requirement on
many of the devices and services that people use on a daily basis. However, while a variety …

People with intellectual disabilities often experience inequalities that affect the standard of
their everyday lives. Assistive technologies can help alleviate some of these inequalities, yet …

It might be expected that people with dyslexia would have difficulties with password creation
and maintenance, given their difficulties with language, often with spelling and correctly …

Graphical authentication has been a proposed solution to the usability and memorability
issues seen with traditional alphanumeric passwords. However, graphical authentication …