Current authentication mechanisms pose significant challenges for people with visual
impairments. This paper presents results from a contextual inquiry study that investigated the …

Reliable and accessible authentication techniques are required to maintain privacy and
security. This is paramount as technology plays an increasing role in our lives. In this paper …

Abstract Current research on “Usable Security” is still in its infancy and usable security
solutions are often designed without paying attention to human disabilities. This paper aims …

Passwords help people avoid unauthorized access to their personal devices but are not
without challenges, like memorability and shoulder surfing attacks. Little is known about how …

To successfully manage security and privacy threats, users must be able to perceive the
relevant information. However, a number of accessibility obstacles impede the access of …

We report on a wearable digital diary study of 26 participants that explores people's daily
authentication behavior across a wide range of targets (phones, PCs, websites, doors, cars …

Ubiquitous access is an increasingly common vision of computing, wherein users can
interact with any computing device or service from anywhere, at any time. In the era of …

Implicit authentication (IA) uses behavioural biometrics to provide continuous authentication
on smartphones. IA has been advocated as more usable when compared to traditional …

Access to the many benefits available from digital technology can often vary depending
upon the capabilities and facilities of the individual who is attempting to engage with it. Many …

Biometric recognition is currently implemented in several authentication contexts, most
recently in mobile devices where it is expected to complement or even replace traditional …