Google updates reCaptcha by removing image tests for most users

reCAPTCHA logoGoogle is updating the reCaptcha human authentication system, by effectively removing the Captcha element for the majority of users. Dubbed the "No Captcha reCaptcha," the new API will attempt to monitor the user's interaction with the captcha to see if they are genuine or a script, with most valid users able to simply click a tick box without seeing a Captcha at all.

Google claims the current scripts and artificial intelligence systems are able to solve distorted text puzzles with an accuracy of 99.8 percent, making captchas "no longer a dependable test." In order to combat this, Google has updated the backend of reCaptcha with an Advanced Risk Analysis system, which sees how the subject reacts to the presented Captcha and judges whether or not they are human.

In the event it cannot work out if it is a real person using the form, clicking the tick box stating "I'm not a robot" still serve up some sort of extra challenge. While desktop users may see a typical distorted text or photograph that they must find the words or numbers within, mobile users could expect to see an image matching query, such as being requested to pick out pictures of cats, a task which Google proved two years ago is difficult but possible to be completed by computers.

The system, which may make form entry easier for humans in the future, is already being used online by some sites and services. In the last week, more than 60 percent of WordPress traffic used the new API, with more than 80 percent of visitors to the Humble Bundle having a similar experience. Snapchat, a company familiar with the issues of Captchas, is also using the new version.

Source: Electronista

Tags: Google

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