Elie Bursztein, Romain Beauxis, Hristo Paskov, Daniele Perito, Celine Fabry, John C. Mitchell. The Failure of Noise-Based Non-continuous Audio Captchas. In 32nd IEEE Symposium on Security and Privacy, S&P 2011, 22-25 May 2011, Berkeley, California, USA. pages 19-31, IEEE Computer Society, 2011. [doi]
Abstract is missing.