8/27/2023 0 Comments Bot that solves captcha![]() ![]() If you use a popular CAPTCHA mechanism, moving to a custom-made one or to another popular one might prevent OCR. This will help if either your own CAPTCHA was too easy to OCR, or if there was a bug which was successfully exploited. If you have your custom implemented CAPTCHA, you may try to move to a popular one, like reCAPTCHA. Įxternal projects have shown methodologies and results indicating that many of the systems can be defeated by computers with between 88% and 100% accuracy, using optical character recognition. One of the first documented attacks on the system was by a Carnegie Mellon student, who associated CAPTCHA images with access to an adult Web site, thus gaining free human labor to crack the authentication. There may also be a bug either in the CAPTCHA mechanism itself or the surrounding application, allowing someone to bypass the CAPTCHA.īy the way, the W3C article Inaccessibility of CAPTCHA : Alternatives to Visual Turing Tests on the Web explains as well how CAPTCHAs could be compromised: ask for people to fill CAPTCHAs for money, just like ProTypers does. ![]()
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