security check

Humans as a whole spend 500 years each day completing CAPTCHA challenges according to a new estimate. The company behind the claim says USB security devices would be a more sensible way to confirm somebody is a human. The data from Cloudflare is ... about CAPTCHAs: Completely Automated Public Turing test to tell Computers and Humans Apart. It's tests such as recognizing a string of letters on an unclear background or picking out images that contain a particular thing such as a boat or traffic light. The idea is to limit automated visits to a web page or form submissions, for example to limit ... (view more)