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Captcha Robustness: A Security Engineering Perspective

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.

Publication metadata

Author(s): Yan J, El Ahmad AS

Publication type: Article

Publication status: Published

Journal: Computer

Year: 2011

Volume: 44

Issue: 2

Pages: 54-60

Print publication date: 01/02/2011

ISSN (print): 0018-9162

ISSN (electronic): 1558-0814

Publisher: IEEE


DOI: 10.1109/MC.2010.275


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