80 citations · 100 across the 6 of their papers we have counts for
6 papers · 1 filter
That's Not Me! Designing Fictitious Profiles to Answer Security Questions
Nicholas Micallef, Nalin Asanka Gamagedara Arachchilage
Although security questions are still widely adopted, they still have several limitations. Previous research found that using system-generated information to answer security questi…
Involving Users in the Design of a Serious Game for Security Questions Education
Nicholas Micallef, Nalin Asanka Gamagedara Arachchilage
When using security questions most users still trade-off security for the convenience of memorability. This happens because most users find strong answers to security questions dif…
Changing users' security behaviour towards security questions: A game based learning approach
Nicholas Micallef, Nalin Asanka Gamagedara Arachchilage
Fallback authentication is used to retrieve forgotten passwords. Security questions are one of the main techniques used to conduct fallback authentication. In this paper, we propos…
A Serious Game Design: Nudging Users' Memorability of Security Questions
Nicholas Micallef, Nalin Asanka Gamagedara Arachchilage
Security questions are one of the techniques used to recover passwords. The main limitation of security questions is that users find strong answers difficult to remember. This lead…
A Model for Enhancing Human Behaviour with Security Questions: A Theoretical Perspective
Nicholas Micallef, Nalin Asanka Gamagedara Arachchilage
Security questions are one of the mechanisms used to recover passwords. Strong answers to security questions (i.e. high entropy) are hard for attackers to guess or obtain using soc…
A Gamified Approach to Improve Users' Memorability of Fall-back Authentication
Nicholas Micallef, Nalin Asanka Gamagedara Arachchilage
Security questions are one of the techniques used in fall-back authentication to retrieve forgotten passwords. This paper proposes a game design which aims to improve usability of…