Survey on Various Techniques of User Authentication and Graphical Password

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Provided by: IJCTT-International Journal of Computer Trends and Technology
Topic: Security
Format: PDF
The process of identifying an individual usually based on a username and password. Passwords are the best commonly used method for identifying users in computer and communication systems. Usually, passwords are strings of letters and digits, i.e., they are alpha-numeric. Graphical passwords, which contain of some actions that the user accomplishes on an image. In this paper, the authors make a survey of the basic authentication and its techniques. Survey of various techniques for authentication and password security in a video CAPTCHA, persuasive cued click-points knowledge-based authentication mechanism.
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