All About CAPTCHA’s: Decoding CAPTCHA’s for Fun and Profit

Looking for a practical guide to CAPTCHA decoding? All About CAPTCHA’s. This eBook will teach you how to identify weaknesses and exploit CAPTCHA’s from beginning to end.

Welcome to the practical guide to decoding CAPTCHA’s. Everything you need to start decoding CAPTCHA’s is contained within. Although there is a heavy emphasis on decoding you can consider it a general guide to CAPTCHA’s in general. Although mostly focused on algorithmic methods of decoding CAPTCHA’s this will also briefly cover paid/human services, history and anecdotes.