Rebecca Docimo

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It is widely recommended by both academia and industry that today's technology and software engineering students be well prepared for industry before graduation, especially given global outsourcing and other trends. Various methods have been developed to ensure student readiness, including co-ops and capstone courses. These approaches increasingly use(More)
Being motivated by the need for usable Web security systems, we present in this paper new image-based CAPTCHA systems that overcome the weaknesses of commercial CAPTCHAs. We describe Tree and Shape CAPTCHAs in addition to handwritten CAPTCHAs that feature visual objects transformed according to specific principles of cognitive psychology. These(More)
• CAPTCHAs (Completely Automated Public Turing Tests to Tell Computers and Humans Apart) widespread on WWW to prevent illegitimate access to web resources by programs (aka " bots " or machines). Best current solution, though important insights can also be gained if broken. CAPTCHAs are often made harder against machines at the expense of human solvability.(More)
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