Sebastian Uellenbeck, Markus Dürmuth, Christopher Wolf, Thorsten Holz. Quantifying the security of graphical passwords: the case of android unlock patterns. In Ahmad-Reza Sadeghi, Virgil D. Gligor, Moti Yung, editors, 2013 ACM SIGSAC Conference on Computer and Communications Security, CCS'13, Berlin, Germany, November 4-8, 2013. pages 161-172, ACM, 2013. [doi]
Abstract is missing.