Starting around 1999, a great many graphical password schemes have been proposed as
alternatives to text-based password authentication. We provide a comprehensive overview …

Mobile devices have brought a great convenience to us these years, which allow the users
to enjoy the anytime and anywhere various applications such as the online shopping …

In this paper, we present a novel multi-touch gesture-based authentication technique. We
take advantage of the multi-touch surface to combine biometric techniques with gestural …

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 …

Prior research on technology use in the Global South suggests that people in marginalized
communities frequently share a single device among multiple individuals. However, the data …

This paper presents an integrated evaluation of the Persuasive Cued Click-Points graphical
password scheme, including usability and security evaluations, and implementation …

Many security primitives are based on hard mathematical problems. Using hard AI problems
for security is emerging as an exciting new paradigm, but has been under-explored. In this …

Usable security has unique usability challenges because the need for security often means
that standard human-computerinteraction approaches cannot be directly applied. An …

Authentication based on passwords is used largely in applications for computer security and
privacy. However, human actions such as choosing bad passwords and inputting passwords …