CAPTCHA Security: A Case Study

  1. Lookup NU author(s)
  2. Dr Jeff Yan
  3. Ahmad El Ahmad
Author(s)Yan J, El Ahmad AS
Publication type Article
JournalIEEE Security & Privacy
Year2009
Volume7
Issue4
Pages22-28
ISSN (print)1540-7993
ISSN (electronic)1558-4046
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PublisherIEEE Computer Society
URLhttp://dx.doi.org/10.1109/MSP.2009.84
DOI10.1109/MSP.2009.84
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