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 ...

CAPTCHAs are those now ubiquitous challenges you encounter to prove that you’re a human and not a bot when you go to log in to many websites. As a computer scientist, I see CAPTCHAs as an effective ...

Bots account for nearly half of global internet traffic, increasing the need for online security. Whether browsing on an ...

CNET editor Dong Ngo has been involved with technology since 2000, starting with testing gadgets and writing code for CNET Labs' benchmarks. He now manages CNET San Francisco Labs, reviews 3D printers ...

One of the most annoying Internet experiences is having to deal with CAPTCHA and decode distorted text on a website to prove you are not a robot. But now, Google says it can tell you’re human just by ...