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Lookup NU author(s): Dr Jeff Yan,
Ahmad El Ahmad
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Captchas are a standard defense on commercial websites against undesirable or malicious Internet bot programs, but widely deployed schemes can be broken with simple but novel attacks. Applying security engineering expertise to the design of Captchas can significantly improve their robustness.
Author(s): Yan J, El Ahmad AS
Publication type: Article
Publication status: Published
Print publication date: 01/02/2011
ISSN (print): 0018-9162
ISSN (electronic): 1558-0814
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