Passwords are the first line of defense for many computerized systems. The quality of these
passwords decides the security strength of these systems. Many studies advocate using …

Password has been a predominating approach for user authentication to gain access to
restricted resources. The main issue with password is its quality or strength, ie how easy (or …

Although multi-factor authentication is gaining popularity, password-based authentication
remains the most commonly employed method for both online login and data encryption. To …

There is no doubt that, even after the development of many other authentication schemes,
passwords remain one of the most popular means of authentication. A review in the field of …

In this paper, we propose a new algorithm to compute the strength of passwords based on
two measurements, mainly: password entropy and password quality. The passwords …

It is very important to consider whether a password has been leaked, because security can
no longer be guaranteed for passwords exposed to attackers. However, most existing …

To grant password security, it is still a common practice to request users to comply with a
number of rules that need to be met for the resulting password to be valid. Users have no …

Passwords are still the most used method of user authentication in the usage of information
systems, and they have an important role in practical security. Despite the fact that …

Currently, access to computer systems is often based on the use of alpha-numeric. The
textual passwords or alpha-numeric passwords have been the basis of authentication …

Nowadays, passwords play an important role in ensuring practical security. Password
strength meters (PSMs) are typical and well-known tools developed to help users estimate …