DEF CON 16 - Mike Spindel & Scott Torborg: CAPTCHAs: Are they really hopeless? (Yes)
▶DEF CON 16 - Mike Spindel & Scott Torborg: CAPTCHAs: Are they really hopeless? (Yes) — a 2008 DEF CON security conference talk on web-appsec (38:58 min). Watch the full video, indexed free on the Breach Arc Archive.
▶ Watch video on YouTube