Most efforts to improve cyber security focus primarily on incorporating new technological
approaches in products and processes. However, a key element of improvement involves …

Despite countless attempts and near-universal desire to replace them, passwords are more
widely used and firmly entrenched than ever. The authors' exploration leads them to argue …

We evaluate two decades of proposals to replace text passwords for general-purpose user
authentication on the web using a broad set of twenty-five usability, deployability and …

We investigate whether a classifier can continuously authenticate users based on the way
they interact with the touchscreen of a smart phone. We propose a set of 30 behavioral touch …

Passwords and the evolution of imperfect authentication Page 1 78 COMMUNICATIONS OF
THE ACM | JULY 2015 | VOL. 58 | NO. 7 contributed articles DOI:10.1145/2699390 Theory on …

A lot of research is being conducted into improving the usability and security of phone-
unlocking. There is however a severe lack of scientific data on users' current unlocking …

Smartphone users have their own unique behavioral patterns when tapping on the touch
screens. These personal patterns are reflected on the different rhythm, strength, and angle …

Graphical passwords were proposed as an alternative to overcome the inherent limitations
of text-based passwords, inspired by research that shows that the graphical memory of …

Biometric authentication verifies a user based on its inherent, unique characteristics---who
you are. In addition to physiological biometrics, behavioral biometrics has proven very useful …

There has been roughly 15 years of research into approaches for aligning research in
Human Computer Interaction with computer Security, more colloquially known as``usable …