Computer security depends largely on passwords to authenticate human users. However,
users have difficulty remembering passwords over time if they choose a secure password, ie …

The most common computer authentication method is to use alphanumerical usernames
and passwords. This method has been shown to have significant drawbacks. For example …

Graphical passwords are an alternative to alphanumeric passwords in which users click on
images to authenticate themselves rather than type alphanumeric strings. We have …

Mobile device authentication has been a highly active research topic for over 10 years, with
a vast range of methods proposed and analyzed. In related areas, such as secure channel …

Previous research has found graphical passwords to be more memorable than non-
dictionary or" strong" alphanumeric passwords. Participants in a prior study expressed …

The weakness of knowledge-based authentication systems, such as passwords and
Personal Identification Numbers (PINs), is well known, and reflects an uneasy compromise …

We develop a model to identify the most likely regions for users to click in order to create
graphical passwords in the PassPoints system. A PassPoints password is a sequence of …

US8346217B2 - Systems, methods and apparatus for controlling access to mobile devices -
Google Patents US8346217B2 - Systems, methods and apparatus for controlling access to mobile …

Can we secure user authentication against eavesdrop** adversaries, relying on human
cognitive functions alone, unassisted by any external computational device? To accomplish …

Challenging the conventional wisdom that users cannot remember cryptographically-strong
secrets, we test the hypothesis that users can learn randomly-assigned 56-bit codes …