reCAPTCHA is an important security feature designed by Google to help websites distinguish between humans and bots, protecting them from automated abuse. While reCAPTCHA serves a crucial purpose in ...

reCAPTCHA is a free Google service to confirm that a system is being used by a human being and not a robot or bot. It helps websites secure themselves against malicious automated tools and spam ...

Completely Automated Public Turing tests to tell Computers and Humans Apart (CAPTCHA) systems, originally presented distorted text that users had to decipher and input correctly, relying on human ...

Modern captchas are effective at keeping bots and algorithms from accessing Web sites made for humans. They also generate collateral damage and keep up to 25 percent of humans out, too, according to ...