In search of the silver bullet to solve the password problem, the field of knowledge-based
authentication has become bloated with novel proposals aiming to replace textual …

In addition to storing a plethora of sensitive personal and work information, smartphones
also store sensor data about users and their daily activities. In order to understand users' …

There is a growing need for usable and secure authentication in immersive virtual reality
(VR). Established concepts (eg, 2D authentication schemes) are vulnerable to observation …

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 …

This paper studies the security and memorability of free-form multitouch gestures for mobile
authentication. Towards this end, we collected a dataset with a generate-test-retest …

Immersive Virtual Reality (IVR) is a growing 3D environment, where social and commercial
applications will require user authentication. Similarly, smart homes in the real world (RW) …

Given the nature of mobile devices and unlock procedures, unlock authentication is a prime
target for credential leaking via shoulder surfing, a form of an observation attack. While the …

Eye-gaze and mid-air gestures are promising for resisting various types of side-channel
attacks during authentication. However, to date, a comparison of the different authentication …

Visual attention, search, processing and comprehension are important cognitive tasks
during a graphical password composition activity. Aiming to shed light on whether individual …

Passwords continue to dominate the authentication landscape in spite of numerous
proposals to replace them. Even though usability is a key factor in replacing passwords, very …