Alphabet's (GOOG, GOOGL) Google is expanding the availability of reCAPTCHA, and the verification technology will now be able to, for the first time, protect payments. Jess Leroy, Google senior ...

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 ...

An automated CAPTCHA solver developed by a team of British and Chinese computer engineers proves this widely-used security feature may not anymore become efficient in protecting websites. The new ...

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 ...