![]() Hit the download link for the audio challenge.Navigate to the audio challenge of ReCAPTCHA.Navigate to the website having Google’s ReCAPTCHA.To demonstrate the Google reCAPTCHA bypass, the bot must follow these simple steps: You grab the mp3 file of the audio reCAPTCHA and you submit it to Google’s own Speech to Text API, and voila you have the bypass. Surprisingly, the security researcher claimed that the accuracy - which was at 85% in 2017 when the vulnerability was first discovered - has now gone up to more than 90%. Now, after two years of running trouble-free, another researcher, Nikolai Tschacher, has presented a proof-of-concept that the vulnerability still exists and the audio file of reCAPTCHA can be submitted to Google’s speech-to-text API by a bot for bypassing the authentication. This was soon rectified, and a newer version named reCAPTCHA v3 was released in October 2018. This exploit termed as unCAPTCHA achieved 85% accuracy in bypassing reCAPTCHA’s speech authentication technique, which was put in place for the visually impaired. However, since its implementation just over six years ago, a vulnerability was discovered in its then version reCAPTCHA v2. ![]() reCAPTCHA is not PerfectĬAPTCHA enables websites to distinguish between a bot and a human, making it the first line of defense against bot attacks. ![]() But little did Google know that a vulnerability, which plagued reCAPTCHA two years ago, will resurface, showing how Google reCAPTCHA authentication can be bypassed successfully by bots. Like any other product, it had its shortcomings. And thus, with a view for the future of authentication, Google acquired reCAPTCHA in 2009. ![]() Google has always been at the forefront when it comes to authentication and security. ![]()
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