Ever since No CAPTCHA reCAPTCHA were launched, there were millions of internet users who proved themselves as humans with a single click. Taking this forward, Google has made this invisible.
Humans can enter through even without checkbox I am not a robot. However, when there are suspicious usages, challenges need to be solved.
For this, Google makes use of a latest technology to observe web browsing behavior. Machine learning and improved risk analysis processes are involved for the task. When there are suspicious browsing patterns, users will have to solve a CAPTCHA.
CAPTCHAs are web developers’ friends and they start blocking malicious bots from making phishing activities in websites right in the beginning. Furthermore, with digitizing and transcribing text and images, machine learning database can be largely improved.