NDSS2018 rtCaptcha: A Real-Time CAPTCHA Based Liveness Detection System
▶NDSS2018 rtCaptcha: A Real-Time CAPTCHA Based Liveness Detection System — a 2018 NDSS 2018 Session 1B: Attacks and Vulnerabilities security conference talk on blue-team (16:17 min). Watch the full video, indexed free on the Breach Arc Archive.
▶ Watch video on YouTube