A paper [presented @ DEFCON 2010] describing algorithm to solve reCAPTCHA ( http://reCAPTCHA .net )
Archive for the 'captcha' Category
how to break captcha using python and fann (FAst Neural Network )
need a quick and dirty captcha? this is the place!
cool CAPTCHA that is used to OCR books
well, captcha decoder and the list of good and bad capchas