We design, implement, and evaluate GeoPass: an interface for digital map-based
authentication where a user chooses a place as his or her password (ie, a" location …

PassBYOP is a new graphical password scheme for public terminals that replaces the static
digital images typically used in graphical password systems with personalized physical …

Handheld mobile devices store a plethora of sensitive data, such as private emails, personal
messages, photos, and location data. Authentication is essential to protect access to …

Picture gesture authentication has been recently introduced as an alternative login
experience to text-based password on touch-screen devices. In particular, the newly on …

Researchers have proposed systems in which users utilize an eye tracker to enter
passwords by merely looking at the proper symbols on the computer monitor in the …

Recent advances in the research of usable security have produced many new security
mechanisms that improve usability. However, these mechanisms have not been widely …

In this paper, a new scheme that uses digraph substitution rules to conceal the mechanism
or activity required to derive password-images is proposed. In the proposed method, a user …

The present invention includes a system and method for defending against unwanted
observations of the information conveyed by electronic devices. The system allows users to …

Gestures drawn on touchscreens have been proposed as an authentication method to
secure access to smartphones. They provide good usability and a theoretically large …

Secure user authentication on mobile phones is crucial, as they store highly sensitive
information. Common approaches to authenticate a user on a mobile phone are based …