We see the popular "captcha" security mechanism often - wavy letters websites ask us to type into a box. It's used by web pages and newsletter sign-up forms to prevent computer robots from hacking ...

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 ...

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 ...

Captcha tests have been around for years, but they're getting more difficult. Experts say the "I'm not a robot" tests should evolve to keep up with advancing tech. But some internet users are sick of ...

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 ...

When you log on to a site or go to buy something online, you may be asked to prove you're not a robot. Those tests are called ...

We've all been there: You click on a website and are immediately directed to respond to a series of puzzles requiring you to identify images of buses, bicycles and traffic lights before you can go any ...