Tag Archive | "captcha security"


21 July 2014 | 2,036 views

clipcaptcha – CAPTCHA Service Impersonation Tool

clipcaptcha is an extensible and signature based CAPTCHA Provider impersonation tool based off Moxie Marlinspike’s sslstrip codebase, which we mentioned back in 2009 – SSLstrip – HTTPS Stripping Attack Tool. Depending on its mode of operation it may approve, reject or forward the CAPTCHA verification requests. It maintains an easy to edit XML configuration file [...]

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02 November 2011 | 9,205 views

13 Out Of 15 Popular CAPTCHA Schemes Vulnerable To Automated Attacks

This is not a real shock to be if I’m perfectly honestly, I only use reCAPTCHA whenever I need a CAPTCHA implementation for anything. And well even then, it’s not totally safe as apparently you can farm out your CAPTCHA cracking (those the fail the automated attempts) to India for a few dollars. It does [...]

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