If you are using the Internet, to prevent access from malicious programs (bots) trying to log in for unauthorized useCAPTCHAYou should have seen the message "I am not a robot" at the site where ...

You have probably seen Captchas - puzzles that ask you to pick out all the bicycles in an image or to decipher letters that are written in squiggly lines. These riddles are designed to let you buy ...

If those bothersome CAPTCHA prompts online seem to be getting harder, it’s because they are. The pesky puzzles are used to ward off bots that crash sites or jeopardize security but now are becoming ...

Have you ever tried to go to a website but you were stopped beforehand in order to prove you are not a robot? Well, what is happening behind the scenes may surprise you. Here’s what really happens ...