For the past 20 years, researchers have investigated the use of eye tracking in security
applications. We present a holistic view on gaze-based security applications. In particular …

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 …

Evaluating novel authentication systems is often costly and time-consuming. In this work, we
assess the suitability of using Virtual Reality (VR) to evaluate the usability and security of …

This paper proposes an Out-of-Device Privacy Scale (ODPS)-a reliable, validated
psychometric privacy scale that measures users' importance of out-of-device privacy. In …

One approach to mitigate shoulder surfing attacks on mobile devices is to detect the
presence of a bystander using the phone's front-facing camera. However, a person's face in …

Reading in public spaces can often be tricky if we wish to keep the contents away from the
prying eye. We propose Private Reader, an eye-tracking approach towards maintaining …

Shoulder surfing refers to observing someone's device screen without their consent.
Conspicuously switching off the screen upon noticing a friend observing private messages …

Shoulder surfing is a prevailing threat when accessing information on personal devices like
smartphones. Adequate mitigation requires studying shoulder surfing occurrences in …

Mobile phones are most likely the subject of targeted attacks, such as software exploits. The
resources needed to carry out such attacks are becoming increasingly available and, hence …

People use mobile devices ubiquitously for computing, communication, storage, web
browsing, and more. As a result, the information accessed and stored within mobile devices …