A three-year-old attack technique to bypass Google’s audio reCAPTCHA by using its own Speech-to-Text API has been found to still work with 97% accuracy.
Researcher Nikolai Tschacher disclosed his findings in a proof-of-concept (PoC) of the attack on January 2.
“The idea of the attack is very simple: You grab the MP3 file of the audio reCAPTCHA and you submit it to Google’s own speech-to-text API
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