They are used by hackers to exploit vulnerabilities in your site or forum. Why you should protect your website from CAPTCHA botsĪ CAPTCHA bot will perform a brute force attack, by continuously trying to break into your website using all possible combinations of letters, numbers, and characters until it finds one that works. CAPTCHA bots have been designed to recognize and decipher these tests automatically, therefore, they can easily bypass most standard CAPTCHAs used today. This allows for fast and automatic recognition whether or not the user visiting the website is an actual person.

How CAPTCHA bots workĬAPTCHAs work by presenting the user with a string of characters, numbers or images that it would have to assess in order to verify that they are human. Usually, these bots are used on sites with heavy traffic where manual moderation is considered too time-consuming to be practical. They are commonly placed on websites and internet forums to prevent abuse originating from automated scripts and network flooding attacks. A CAPTCHA bot is an automated program that attempts to bypass human verification tests used to determine whether the website visitor is an actual person.

Recaptcha bypass bots test