For anymore interested in a slightly lighter version of the paper, it was presented at Black-Hat Asia 2016: Slides: https://www.blackhat.com/docs/asia-16/mater

For anymore interested in a slightly lighter version of the paper, it was presented at Black-Hat Asia 2016: Slides: https://www.blackhat.com/docs/asia-16/materials/asia-16-Sivakorn-Im-Not-a-Human-Breaking-the-Google-reCAPTCHA.pdf https://www.blackhat.com/docs/asia-16/materials/asia-16-Siva... Notes: https://www.blackhat.com/docs/asia-16/materials/asia-16-Sivakorn-Im-Not-a-Human-Breaking-the-Google-reCAPTCHA-wp.pdf https://www.blackhat.com/docs/asia-16/materials/asia-16-Siva... Source: https://www.blackhat.com/asia-16/briefings.html https://www.blackhat.com/asia-16/briefings.html