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  • Study, use and application of CAPTCHA.

    T.E.I. of Crete, School of Engineering (STEF), Department of Informatics Engineering
    Authors: Sparis, Georgios
    Thesis advisor: Manifavas, Charalampos
    Publication Date: 11-09-2014
    CAPTCHAs are a popular method for stopping automated attacks and to reduce spam on websites. The idea is to use puzzle, that only a human being can solve, but not automated programs. Particularly text CAPTCHAs, that ask a ...