Decaptcha: Breaking 75% of eBay audio CAPTChas

Elie Bursztein, Steven Bethard

Research output: Contribution to conferencePaperpeer-review

61 Scopus citations

Abstract

CAPTCHA tests aim at preventing attackers from performing automatic website registration. In this paper we show that our prototype Decaptcha is able to successfully break 75% of eBay audio captchas. We compare its performance with the state of the art, readily available speech recognition system Sphinx and discuss the implications for eBay security.

Original languageEnglish (US)
StatePublished - 2009
Externally publishedYes
Event3rd USENIX Workshop on Offensive Technologies, WOOT 2009 - Montreal, Canada
Duration: Aug 10 2009 → …

Conference

Conference3rd USENIX Workshop on Offensive Technologies, WOOT 2009
Country/TerritoryCanada
CityMontreal
Period8/10/09 → …

ASJC Scopus subject areas

  • Hardware and Architecture
  • Information Systems
  • Software
  • Computer Networks and Communications

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