Information systems of critical infrastructure provide services on which the core functions of a
state and its economy depend as well as welfare of society. Such systems are becoming an …

An application platform may receive an input from a user associated with a user account.
The input may relate to a request for access to the user account, and include a selec tion of …

This paper proposes a password security system that allows the host not to store the
passwords of its users at its end. Instead it creates and stores a derivative of the password …

An era in which transactions and communication are quick and easy owing to fast-growing
IT technology has commenced nowadays. Because of the extensive use of IT and its wide …

Graphical password tends to be very promising and trending alternative technique to
traditional methods like simple text password and alphanumeric passwords. It is the ease of …

Cloud based applications authenticate users before they are allowed to access the services
provided by them. Most commonly used user authentication mechanism is text-based …

Current paradigms for client-server authentication often rely on username/password
schemes. Studies show such schemes are increasingly vulnerable to heuristic and brute …

This study proposes a secured and straightforward password hiding technique to address
authentication problems. The idea of Least Significant Bit based image steganography and …

This paper presents an authentication scheme that contains images, alphabets, numbers
and symbols. The primary aim of this research is to develop the authentication scheme using …

Authentication, which involves the verification of identity, is one of the most important
security features. It usually depends on three factors: something you know (knowledge) …