Today's Internet services rely heavily on text-based passwords for user authentication. The
pervasiveness of these services coupled with the difficulty of remembering large numbers of …

Leaked passwords from data breaches can pose a serious threat if users reuse or slightly
modify the passwords for other services. With more services getting breached today, there is …

Given the widespread use of password authentication in online correspondence,
subscription services, and shopping, there is growing concern about identity theft. When …

Passwords are the most popular authentication method due to their simplicity and
widespread adoption. However, the prevalence of password reuse undermines its security …

The research literature on passwords is rich but little of it directly aids those charged with
securing web-facing services or setting policies. With a view to improving this situation we …

Password managers have the potential to help users more effectively manage their
passwords and address many of the concerns surrounding password-based authentication …

Users often make passwords that are easy for attackers to guess. Prior studies have
documented features that lead to easily guessed passwords, but have not probed why users …

It is a well known fact that user-chosen passwords are somewhat predictable: by using tools
such as dictionaries or probabilistic models, attackers and password recovery tools can …

The underlying issues relating to the usability and security of multiple passwords are largely
unexplored. However, we know that people generally have difficulty remembering multiple …

Despite considerable research on passwords, empirical studies of password strength have
been limited by lack of access to plaintext passwords, small data sets, and password sets …