"CAPTCHA" is one of those terms that most of us have heard of or have seen while surfing the World Wide Web. While it may be known for providing a sense of safety where cyber security is concerned, it ...

Everyone knows the CAPCHA tests on websites where you either have to click on numerous pictures of cars, traffic lights, or bicycles, enter confusing combinations of numbers and letters or simply ...

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 ...

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 ...