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ReCAPTCHA.net Now Vulnerable to Algorithmic Attack

Posted by timothy on from the bless-you! dept.

n3ond4x writes "reCAPTCHA.net algorithms have been developed to solve the current CAPTCHA at an efficacy of 30%. The algorithms were disclosed at DEFCON 18 over the weekend and have since been made available online. Also available is a video demonstration of random reCAPTCHA.net CAPTCHAs being subjected to the algorithms." There's probably an excellent Firefox plugin to render this page's color scheme more bearable. Note: the PowerPoint presentation linked opens fine in OpenOffice, and the video speaks for itself.

2 of 251 comments (clear)

  1. Re:Offtopic by stephanruby · · Score: 0, Redundant

    A Firefox extension is not the same thing as a plugin.

    Firefox plugins ***used*** to be called Firefox extensions. You must just be too young to know this.

  2. Re:Bad Hacking by orange47 · · Score: 0, Redundant

    no, not just spammers. millions of people would be free of it.