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Articles about captcha: December 4, 2008

Anonymous programmer cracks Yahoo’s CAPTCHA software

by Sue Walsh on Jan 21, 2008 at 07:29 AM

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An anonymous programmer going by the name “John Wane” has claimed to have cracked Yahoo’s CAPTCHA software. CAPTCHA (Completely Automated Public Turing Test to Tell Computers and Humans Apart) software is used by most major websites, including Yahoo, MySpace, Amazon, and others, to prevent automated systems from creating thousands of accounts to send spam with. Everyone’s seen it. When you register on a site, you’re presented with an image containing a jumbled “code” and you must enter it correctly to continue.  “John Wane” posted code for a decoder he claimed could get around that step and has an accuracy rate of 35%.

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