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 language | English (US) |
|---|---|
| State | Published - 2009 |
| Externally published | Yes |
| Event | 3rd USENIX Workshop on Offensive Technologies, WOOT 2009 - Montreal, Canada Duration: Aug 10 2009 → … |
Conference
| Conference | 3rd USENIX Workshop on Offensive Technologies, WOOT 2009 |
|---|---|
| Country/Territory | Canada |
| City | Montreal |
| Period | 8/10/09 → … |
ASJC Scopus subject areas
- Hardware and Architecture
- Information Systems
- Software
- Computer Networks and Communications
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