Are 3rd party CAPTCHA techniques vulnerable to MITM attacks?
Presume I’m a bad actor and want to do a naughty thing on a site protected by some 3rd party CAPTCHA solution. For instance, perhaps I’m a spammer who wants some way to script sign-ups to Hotmail.
For the target site to use CAPTCHA, it pre… Continue reading Are 3rd party CAPTCHA techniques vulnerable to MITM attacks?