IHIP: Towards a user centric Individual Human Interaction Proof framework
AuthorFidas, Christos A.
Samaras, George S.
PublisherAssociation for Computing Machinery
SourceConference on Human Factors in Computing Systems - Proceedings
33rd Annual CHI Conference on Human Factors in Computing Systems, CHI EA 2015
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A Completely Automated Public Turing test to tell Computers and Humans Apart (CAPTCHA) is a widely used Human Interaction Proof mechanism to protect on-line services against automated software agents. Nowadays, there is a consensus among researchers, practitioners and users that current design approaches of CAPTCHA need to be improved in order to provide a fair trade-off solution between security and usability. In this paper, we propose a shift from a generic Human Interaction Proof (HIP) to a more user-friendly Individual Human Interaction Proof (iHIP) approach by incorporating a dynamic and extendable human and technology factor based user-centric framework. Such an approach provides an alternative point of view to current state of the art practices aiming to deliver the best-fit CAPTCHA to each individual by taking into consideration contextual and behavioral interaction data.