Setia Budi
School of Computing and Information System, University of Tasmania, Australia

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Best Practices For Choosing Non-Intrusive But Effective CAPTCHAs Setia Budi
Jurnal Informatika Vol 8, No 2 (2012): Jurnal Informatika
Publisher : Universitas Kristen Duta Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5116.611 KB) | DOI: 10.21460/inf.2012.82.123

Abstract

Completely Automated Public Turing Test to Tell Computers and Humans Apart (CAPTCHA) is has become a part of computer security standard in order to distinguish humans from computers. This paper mainly discusses usability and robustness issues in CAPTCHA design and implementation. A brief introduction about CAPTCHA and some attempts to defeat CAPTCHA, including how to deal with it are also described in this paper.