Tech
Google is testing a webcam CAPTCHA that scans your hand, but it's already been bypassed using a photo
Google is working on a new kind of challenge to improve its reCAPTCHA system, using biometric identification to confirm that the user is indeed human. The new method is officially named “hand gesture verification” (HGV), and, according to early testing, is mostly useless. Even worse, HGV might pose a significant…
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