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CAPTCHA Security: A Case Study

Lookup NU author(s): Dr Jeff Yan, Ahmad El Ahmad

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Author(s): Yan J, El Ahmad AS

Publication type: Article

Journal: IEEE Security & Privacy

Year: 2009

Volume: 7

Issue: 4

Pages: 22-28

ISSN (print): 1540-7993

ISSN (electronic): 1558-4046

Publisher: IEEE Computer Society

URL: http://dx.doi.org/10.1109/MSP.2009.84

DOI: 10.1109/MSP.2009.84


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