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Issue No. 03 - May-June (2017 vol. 21)
ISSN: 1089-7801
pp: 64-69
Katharina Krombholz , Ruhr-University Bochum and SBA Research
Thomas Hupperich , Ruhr-University Bochum
Thorsten Holz , Ruhr-University Bochum
Modern smartphones provide a rich set of possible touchscreen interactions, but most authentication schemes still rely on simple digit or character input. Previous studies examined the shortcomings of such schemes (digit-PINs, for example). Here, the authors discuss the potential of a new PIN type called force-PINs. The idea behind this approach is to augment the security of digit-PINs by assigning a binary pressure value to each digit in the sequence. By adding this (practically) invisible pressure component, force-PINs help users select stronger PINs that are harder to observe. The authors also discuss implications for future research on force-sensitive authentication.
Usability, Authentication, Internet and web services, Entropy, Computer security, Privacy

K. Krombholz, T. Hupperich and T. Holz, "May the Force Be with You: The Future of Force-Sensitive Authentication," in IEEE Internet Computing, vol. 21, no. 3, pp. 64-69, 2017.
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