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 ...

Captcha systems, those psychedelic-font phrases designed to weed out bots from users, are a staple website security. And, thanks to Stanford Researchers, they may be quickly becoming completely ...

You’re likely well-acquainted with classic CAPTCHA tests on websites. You know, the thing where you have to click to confirm you aren’t a robot? Type in the strange-looking letters and numbers? Select ...

Cyber criminals have found a new way to cheat innocent people through fake captcha codes that look like genuine verification prompts. These fake captchas are being used to spread malware such as Luma ...

All: In a further effort to deter spam, Roanoke.com has added a "captcha" code bar for readers to type in before they enter a comment. We hope these human-readable images will thwart the loathsome ...