Google is making changes to its reCaptcha system: distorted text images are out, while numbers and more-adaptive, puzzle-based authentication checks are in. The change is necessary because text-only ...

For years, Google has used the simple system of distorted text CAPTCHAs to determine whether users were humans or robots. Robots used to be unable to decipher distorted text, so they always failed the ...

Security experts reveal how easy it is to get fooled by this scam and what to do if you think you've been targeted.

You’re trying to book concert tickets before they sell out. You click the link and before you can make the payment, you’re asked to identify traffic lights, bicycles or blurry crosswalks in a grid of ...

Google is today announcing an improved version of CAPTCHA that it’s calling the ‘NoCAPTCHA reCAPTCHA.’ While it sounds like a mouthful, the new service has some great benefits for users. We’ve known ...

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 ...