Decaptcha: Breaking 75% of eBay Audio CAPTCHAs
نویسندگان
چکیده
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.
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Breaking Audio CAPTCHAs
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