60 citations · 213 across the 10 of their papers we have counts for
3 papers · 1 filter
Apps Against the Spread: Privacy Implications and User Acceptance of COVID-19-Related Smartphone Apps on Three Continents
Christine Utz, Steffen Becker, Theodor Schnitzler +5
The COVID-19 pandemic has fueled the development of smartphone applications to assist disease management. Many "corona apps" require widespread adoption to be effective, which has…
Is This Really You? An Empirical Study on Risk-Based Authentication Applied in the Wild
Stephan Wiefling, Luigi Lo Iacono, Markus Dürmuth
Risk-based authentication (RBA) is an adaptive security measure to strengthen password-based authentication. RBA monitors additional implicit features during password entry such as…
This PIN Can Be Easily Guessed: Analyzing the Security of Smartphone Unlock PINs
Philipp Markert, Daniel V. Bailey, Maximilian Golla +2
In this paper, we provide the first comprehensive study of user-chosen 4- and 6-digit PINs (n=1220) collected on smartphones with participants being explicitly primed for device un…