• DocumentCode
    1350354
  • Title

    Captcha Robustness: A Security Engineering Perspective

  • Author

    Yan, Jeff ; El Ahmad, Ahmad Salah

  • Author_Institution
    Sch. of Comput. Sci., Newcastle Univ., Newcastle upon Tyne, UK
  • Volume
    44
  • Issue
    2
  • fYear
    2011
  • Firstpage
    54
  • Lastpage
    60
  • Abstract
    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.
  • Keywords
    Internet; Web sites; security of data; Captcha robustness; commercial Websites; malicious Internet bot programs; security engineering perspective; Captchas; Internet security; Robustness; Security engineering; Segmentation;
  • fLanguage
    English
  • Journal_Title
    Computer
  • Publisher
    ieee
  • ISSN
    0018-9162
  • Type

    jour

  • DOI
    10.1109/MC.2010.275
  • Filename
    5601666
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1350354