unCAPTCHA, an artificial intelligence-based automated system designed at the University of Maryland, has been updated to break Google’s latest audio-based reCAPTCHA challenges with an accuracy rate of 90 percent.
Google has been working on refining and strengthening reCAPTCHA for years, a Turing test-based methodology for proving that website users aren’t robots. It typically challenges users that it thinks might be bots by asking them to read distorted text and type it into a box, or to select groups of pictures that have something in common.
