96 citations · 113 across the 4 of their papers we have counts for
5 papers
Security, Availability, and Multiple Information Sources: Exploring Update Behavior of System Administrators
Christian Tiefenau, Maximilian Häring, Katharina Krombholz +1
Experts agree that keeping systems up to date is a powerful security measure. Previous work found that users sometimes explicitly refrain from performing timely updates, e.g., due…
Making Privacy Graspable: Can we Nudge Users to use Privacy Enhancing Techniques?
Christian Tiefenau, Maximilian Häring, Eva Gerlitz +1
Smart speakers are gaining popularity. However, such devices can put the user's privacy at risk whenever hot-words are misinterpreted and voice data is recorded without the user's…
"Please enter your PIN" -- On the Risk of Bypass Attacks on Biometric Authentication on Mobile Devices
Christian Tiefenau, Maximilian Häring, Mohamed Khamis +1
Nowadays, most mobile devices support biometric authentication schemes like fingerprint or face unlock. However, these probabilistic mechanisms can only be activated in combination…
The Struggle is Real: Analyzing Ground Truth Data of TLS (Mis-)Configurations
Christian Tiefenau, Emanuel von Zezschwitz
As of today, TLS is the most commonly used protocol to protect communication content. To provide good security, it is of central importance, that administrators know how to configu…
Why Do Developers Get Password Storage Wrong? A Qualitative Usability Study
Alena Naiakshina, Anastasia Danilova, Christian Tiefenau +3
Passwords are still a mainstay of various security systems, as well as the cause of many usability issues. For end-users, many of these issues have been studied extensively, highli…