Security

A New Graphical Password Scheme Against Spyware by Using CAPTCHA

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Executive Summary

The security and usability problems inherent in text-based password schemes have resulted in the development of graphical password schemes as a possible alternative. However, most of the current graphical password schemes are vulnerable to spyware which is a program that gathers information about a computer's use and relays that information back to a third party. To date, there have been some schemes which have made contributions to the development of graphical password in term of spyware resistance.

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