The Failure of Noise-Based Non-Continuous Audio Captchas

Elie Bursztein; Romain Bauxis; Hristo Paskov; Daniele Perito; Celine Fabry; John C. Mitchell

captcha

The Failure of Noise-Based Non-Continuous Audio Captchas

By Elie Bursztein, Romain Bauxis, Hristo Paskov, Daniele Perito, Celine Fabry, John C. Mitchell @S&P 2011

captcha
web security
machine learning
offensive technologies

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We show how using a generic approach, based on advanced audio processing and machine learning algorithm, our captcha breaker "Decaptcha" is able to break all the popular audio CAPTCHA schemes, including Microsoft and Yahoo.

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@INPROCEEDINGS {
title	= {The Failure of Noise-Based Non-Continuous Audio Captchas}
author	= {Elie Bursztein and Romain Bauxis and Hristo Paskov and Daniele Perito and Celine Fabry and John C. Mitchell}
booktitle	= {Security and Privacy(S&P)}
year	= {2011}
month	= {May}
url	= {\url{http://elie.im/publication/the-failure-of-noise-based-non-continuous-audio-captchas}}
}