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

With computers being used ever more ubiquitously in situations where privacy is important,
secure user authentication is a central requirement. Gaze-based graphical passwords are a …

Authenticating humans to computers remains a notable weak point in computer security
despite decades of effort. Although the security research community has explored dozens of …

Text-based password systems are the authentication mechanism most commonly used on
computer systems. Graphical passwords have recently been proposed because the pictorial …

Passwords provide security mechanism for authentication and protection services against
unwanted access to resources. One promising alternatives of textual passwords is a …

The fields of security and usability often conflict with each other. Security focuses on making
systems difficult for attackers to compromise. However, doing this also increases difficulty for …

MVP is a framework allowing websites to use diverse knowledge-based authentication
schemes. One application is its use in conducting ecologically valid user studies of …

We carry out a hybrid lab and field study of a password manager program, and report on
usability and security. Our study explores iPMAN, a browser-based password manager that …

Considerable studies verified that people are vulnerable to multiple passwords interference
in alphanumeric passwords but few studies in graphical passwords. We conducted a study …

Open authentication protocols have become a standard solution to allow interfacing of third-
party applications and websites. This paper presents a rationale for the use of secure …