An effective user authentication mechanism should embrace both security and usability
aspects as its purpose is to ensure safety of operation of online services but as well usability …

Aiming to ensure safety of operation to application providers and improve the usability of
human computer interactions during authentication, this paper proposes a two-step …

This paper studies the effect of individual differences in human cognition on user
performance in authentication tasks. In particular, a text-based password and a recognition …

Stimulated by a large number of different theories on human cognition, suggesting that
individuals have different habitual approaches in retrieving, recalling, processing and …

This paper investigates the interplay among human cognitive processing differences (field
dependence vs. field independence), alternative interaction device types (desktop vs. touch) …

Authenticating users by means of passwords is still the dominant form of authentication
despite its recognised weaknesses. To solve this, authenticating users with images or …

Research on human-computer interaction currently focuses on enhancing system usability
by establishing an appropriate user interface (UI) that depends on users' features. Online …

Purpose Despite the widespread use of authentication schemes and the rapid emergence of
novel authentication schemes, a general set of domain-specific guidelines has not yet been …

No existing user-authentication approaches provide universally strong user authentication,
while also taking into account the human factors of good security design. A reevaluation is …

Graphical password composition is an important part of graphical user authentication which
affects the strength of the chosen password. Considering that graphical authentication is …