Defenses Against Large Scale Online Password Guessing Attacks by Using Persuasive Click Points

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Provided by: International Journal of Communications and Engineering
Topic: Security
Format: PDF
Usable security has unique usability challenges because the need for security often means that standard human-computer-interaction approaches cannot be directly applied. An important usability goal for authentication systems is to support users in selecting better passwords. Users often create memorable passwords that are easy for attackers to guess, but strong system-assigned passwords are difficult for users to remember. So researchers of modern days have gone for alternative methods wherein graphical pictures are used as passwords. Graphical passwords essentially use images or representation of images as passwords.
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