unCaptcha: A Low-Resource Defeat of reCaptcha’s Audio ChallengeunCaptcha: A Low-resource Defeat of reCaptcha's Audio Challenge 12/28/2018 After we informed Google about unCaptcha, they updated their audio challenges to issue phrases instead of digits. unCaptcha v2 now breaks these new challenges, with even higher accuracy (around 90%) than before. (unCaptcha v2 code) CAPTCHAs are the Internet's first line of defense against automated account creation and serv
