This paper reviews the recognition-based graphical password system. Twenty-five
recognition-based graphical password systems are studied and analyzed with regards to …

User Authentication is a critical component in information security. Several widely used
mechanisms for security to protect services from illegal access include alphanumerical …

User authentication mostly relies on using the text password methods for its simplicity;
however, it is often predictable and vulnerable to some common attacks. To overcome the …

Recently, graphical passwords have become a viable alternative to the conventional
passwords due to their security and usability features. However, there are very limited …

In today's IT world, for the computer and information security the user authentication and
authorization play a significant role. For this authentication a password is very important …

One of the most important primitive security mechanisms is the authentication system.
Authentication through the use of password is a commonly utilized mechanism for …

Passwords are often used to secure computers and information Passwords must be secure
and easy to use. Traditionally used passwords are text-based passwords that use letters and …

Graphical password have been proposed as a possible alternative solution to text-based
password, motivated particularly by the fact that humans can remember pictures better than …

Graphical passwords are most widely used as a mechanism for authentication in today's
mobile computing environment. This methodology was introduced to enhance security …

Passwords provide security mechanism for authentication and protection services against
unwanted access to resources. A graphical based password is one promising alternatives of …