unCaptcha: A Low-Resource Defeat of reCaptcha’s Audio Challenge

CAPTCHA is almost ubiquitous in today’s web applications and an extremely popular CAPTCHA implementation is Google’s, namely reCaptcha. reCaptcha provides an audio version for visually-impaired users. Researchers manage to make use of free speech-to-text services to defeat audio reCaptcha.

unCaptcha: Talk is cheap in defeating reCaptcha

Source: unCaptcha: A Low-Resource Defeat of reCaptcha’s Audio Challenge