Graphical Authentication using Captcha (A New Security Initiative Based on Hard AI problem)
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2016, Vol 4, Issue 7
Abstract
Now a day’s security is an very important issue. The traditional security systems are easily hackable. Using hard AI problems for security is emerging as an exciting new paradigm, but has been under-explored. In this paper, we present a new security method which works on hard AI problems; we provide a graphical password systems and Captcha technology together, which we call Graphical Authentication using Captcha (RAC). RAC is both a Captcha and a graphical password scheme. RAC addresses a number of security problems altogether, such as online guessing attacks, relay attacks, and. Notably, a RAC password can be found only probabilistically by automatic online guessing attacks even if the password is in the search set. RAC also offers a novel approach to address the well-known image hotspot problem in popular graphical password systems, such as PassPoints, that often leads to weak password choices. RAC is not a panacea, but it offers reasonable security and usability and appears to fit well with some practical applications for improving online security.
Authors and Affiliations
Waheeda Chandbadshah Akkalkot, Dr. Ramesh K, Dhananjay Potdar
Keywords
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