In this paper, we propose an eye gaze-driven metric based on hotspot vs. non-hotspot
segments of images for unobtrusively estimating the strength of user-created graphical …

La autenticación es un área clave en la seguridad de la información. En la modernidad los
usuarios necesitan acceder a muchos servicios digitales imprescindibles para su vida …

Online security advice aims to persuade users to behave securely, but appears to have
limited effects at changing behaviour. We propose security advice targeted at end-users …

Graphical password can be used as an alternative to text based (alphanumeric) password in
which users click on images to set their passwords. Text based password uses username …

Discretization is used in click-based graphical passwords so that approximately correct
entries can be accepted by the system. We show that the existing discretization scheme of …

People tend to choose short and predictable passwords that are vulnerable to guessing
attacks. Passphrases are passwords consisting of multiple words, initially introduced as …

Passwords provide security mechanism for authentication and protection services against
unwanted access to resources. One promising alternatives of textual passwords is a …

Graphical passwords are an alternative to traditional alphanumeric passwords and can
similarly be used to secure online accounts. The widely used alphanumeric passwords have …

Graphical passwords leverage the picture superiority effect to enhance memorability, and
reflect today's haptic users' interaction realms. Images related to users' past sociocultural …

Graphical passwords have been proposed as an alternative to alphanumeric passwords
with their advantages in usability and security. However, most of these alternate schemes …