How do you let people create user accounts or post comments on your Web site without letting spam bots in? Simple — make your users prove they’re human. Many Web sites use CAPTCHA (Completely ...

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 ...

It seems like it was the just the other day that I was writing about how CAPTCHA (Completely Automated Public Turing Test to Tell Computers and Humans Apart) was quickly becoming completely useless ...

Google’s reCAPTCHA tool claims to block bot access on millions of websites across the internet, but what are its true intentions? The internet can be a maddening place. Whether it is websites that ...

A recent study has found that robots have a higher success rate in solving so-called CAPTCHA tests than human beings. CAPTCHA stands for “Completely Automated Public Turing test to tell Computers and ...

As long as locked gates have existed on the internet, people have found ways to go around or through them (iStock) You have probably seen Captchas in some form – puzzles that ask you to pick out all ...

reCAPTCHA, another one of the internet’s most innovative projects in now in Google’s grasp. Not only is reCAPTCHA an effective device for security against spam, it also manages to accomplish a mission ...