Recently, Yeh et al. proposed an improved password authenticated key exchange scheme (YSYCT scheme) which is secure against undetectable on-line password guessing attacks and prov...
HCI research published 10 years ago pointed out that many users cannot cope with the number and complexity of passwords, and resort to insecure workarounds as a consequence. We pr...
Graphical passwords have been proposed as an alternative to alphanumeric passwords with their advantages in usability and security. However, they still tend to follow predictable p...
Traditional password-based authentication and key-exchange protocols suffer from the simple fact that a single server stores the sensitive user password. In practice, when such a ...
When users input their passwords in a public place, they may be at risk of attackers stealing their password. An attacker can capture a password by direct observation or by record...
Susan Wiedenbeck, Jim Waters, Leonardo Sobrado, Je...