Abrar Ullah, Hannan Xiao, Trevor Barker. Usability of Activity-Based and Image-Based Challenge Questions in Online Student Authentication. In Theo Tryfonas, Ioannis G. Askoxylakis, editors, Human Aspects of Information Security, Privacy, and Trust - Third International Conference, HAS 2015, Held as Part of HCI International 2015, Los Angeles, CA, USA, August 2-7, 2015. Proceedings. Volume 9190 of Lecture Notes in Computer Science, pages 131-140, Springer, 2015. [doi]
Abstract is missing.