Smartphones provide access to increasing amounts of personal and sensitive information,
yet are often only secured using methods that are prone to observational attacks. We …

Abstract PIN (Personal Identification Number) code entry is a widely used authentication
method used on smartphones, ATMs, etc. However, it is typically subject to shoulder surfing …

Although mobile devices provide access to a plethora of sensitive data, most users still only
protect them with PINs or patterns, which are vulnerable to side-channel attacks (eg …

A Personal Identification Number (PIN) is a widely adopted authentication method used by
smartphones, ATMs, etc. PINs offer strong security and can be reset when compromised …

Smartphones secure a significant amount of personal and private information, and are
playing an increasingly important role in people's lives. However, current techniques to …

As awareness grows surrounding the importance of protecting sensitive data, stored on or
accessed through a mobile device, a need has been identified to develop authentication …

Modern, off-the-shelf smartphones provide a rich set of possible touchscreen interactions,
but knowledge-based authentication schemes still rely on simple digit or character input …

We propose a multimodal scheme, GazeTouchPass, that combines gaze and touch for
shoulder-surfing resistant user authentication on mobile devices. GazeTouchPass allows …

Secure and usable user authentication on mobile headsets is a challenging problem. The
miniature-sized touchpad on such devices becomes a hurdle to user interactions that impact …

To protect smartphones from unauthorized access, the user has the option to activate
authentication mechanisms: PIN, Password, or Pattern. Unfortunately, these mechanisms …