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 ...

CAPTCHAs, or those jumbled words you have to enter to prove you’re a human on websites, suck. They detract from a website’s flow, and as security researchers at Imperva have found, they’re actually ...

NPR's Scott Simon speaks with Amanda Fennell, a cybersecurity expert, about CAPTCHA tests that verify if a website visitor is human or bot. They are getting harder. Just sec here. I'm trying to prove ...

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 ...

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 ...

UPDATE: Gmail, Yahoo and Hotmail's CAPTCHA broken by spammers. Jeff Yan and Ahmad Salah El Ahmad, at the School of Computing Science, Newcastle University, England recently published a research paper ...

The goal of the Turing test is for a human to work out whether they're communicating with another person or a machine. Computers have gotten better at imitating people but they've also improved at ...