Allan Caine, Urs Hengartner. The AI Hardness of CAPTCHAs does not imply Robust Network Security. In Sandro Etalle, Stephen Marsh, editors, Trust Management - Proceedings of IFIPTM 2007: Joint iTrust and PST Conferences on Privacy, Trust Management and Security, July 30- August 2, 2007, New Brunswick, Canada. Volume 238 of IFIP, pages 367-382, Springer, 2007. [doi]
Abstract is missing.