activity
20202023
most citedMore Than Just Good Passwords? A Study on Usability and Security Perceptions of Risk-based Authentication

38 citations · 108 across the 6 of their papers we have counts for

collaborators

6 papers

cs.HC2023★ 5 cited

52 Weeks Later: Attitudes Towards COVID-19 Apps for Different Purposes Over Time

Marvin Kowalewski, Christine Utz, Martin Degeling +6

The COVID-19 pandemic has prompted countries around the world to introduce smartphone apps to support disease control efforts. Their purposes range from digital contact tracing to…

cs.CR2022★ 36 cited

A World Full of Privacy and Security (Mis)conceptions? Findings of a Representative Survey in 12 Countries

Franziska Herbert, Steffen Becker, Leonie Schaewitz +5

Misconceptions about digital security and privacy topics in the general public frequently lead to insecure behavior. However, little is known about the prevalence and extent of suc…

cs.CR2022★ 10 cited

Digital Security -- A Question of Perspective. A Large-Scale Telephone Survey with Four At-Risk User Groups

Franziska Herbert, Steffen Becker, Annalina Buckmann +6

This paper investigates the digital security experiences of four at-risk user groups in Germany, including older adults (70+), teenagers (14-17), people with migration backgrounds,…

cs.HC2022★ 5 cited

Understanding Users' Interaction with Login Notifications

Philipp Markert, Leona Lassak, Maximilian Golla +1

Login notifications intend to inform users about sign-ins and help them protect their accounts from unauthorized access. Notifications are usually sent if a login deviates from pre…

cs.CR2020★ 38 cited

More Than Just Good Passwords? A Study on Usability and Security Perceptions of Risk-based Authentication

Stephan Wiefling, Markus Dürmuth, Luigi Lo Iacono

Risk-based Authentication (RBA) is an adaptive security measure to strengthen password-based authentication. RBA monitors additional features during login, and when observed featur…

cs.CR2020★ 14 cited

Evaluation of Risk-based Re-Authentication Methods

Stephan Wiefling, Tanvi Patil, Markus Dürmuth +1

Risk-based Authentication (RBA) is an adaptive security measure that improves the security of password-based authentication by protecting against credential stuffing, password gues…