Towards Quantum Large-Scale Password Guessing on Real-World Distributions

2021 - Markus Dürmuth, Maximilian Golla, Philipp Markert, Alexander May, Lars Schlieper

International Conference on Cryptology and Network Security 2021 (CANS '21). Vienna, Austria, December 13-15, 2021

Verify It's You: How Users Perceive Risk-based Authentication

2021 - Stephan Wiefling, Markus Dürmuth, Luigi Lo Iacono

IEEE Security & Privacy, Volume 19, Issue 6, November-December 2021 [DOI] [Paper]

Privacy Considerations for Risk-Based Authentication Systems

2021 - Stephan Wiefling, Jan Tolsdorf, Luigi Lo Iacono

International Workshop on Privacy Engineering (IWPE '21). Vienna, Austria, September 7, 2021 [Website] [Paper]

On the Security of Smartphone Unlock PINs

2021 - Philipp Markert, Da­ni­el V. Bai­ley, Maximilian Golla, Markus Dürmuth, Adam J. Aviv

ACM Transactions on Privacy and Security (TOPS '21). [Website]

"I have no idea what they’re trying to accomplish" Enthusiastic and Casual Signal Users’ Understanding of Signal PINs

2021 - Daniel V. Bailey, Philipp Markert, Adam J. Aviv

Symposium on Usable Privacy and Security (SOUPS '21). Virtual Conference, August 8-10, 2021 [Website] [Paper]

Using a Blocklist to Improve the Security of User Selection of Android Patterns

2021 - Collins W. Munyendo, Miles Grant, Philipp Markert, Timothy J. Forman, Adam J. Aviv

Symposium on Usable Privacy and Security (SOUPS '21). Virtual Conference, August 8-10, 2021 [Website] [Paper]

My Account Is Compromised - What Do I Do? Towards an Intercultural Analysis of Account Remediation for Websites

2021 - Kathryn Walsh, Faiza Tazi, Philipp Markert, Sanchari Das

Workshop on Inclusive Privacy and Security (WIPS '21). Virtual Conference, August 7-8, 2021 [Video] [Paper] [Slides]

Unifying Privacy Policy Detection

2021 - Henry Hosseini, Martin Degeling, Christine Utz, Thomas Hupperich

The 21st Privacy Enhancing Technologies Symposium (PETS 2021), July 12–16, 2021, Virtual Conference

"I just looked for the solution!" On Integrating Security-Relevant Information in Non-Security API Documentation to Support Secure Coding Practices

2021 - Peter Leo Gorski, Sebastian Möller, Stephan Wiefling, Luigi Lo Iacono

IEEE Transactions on Software Engineering, Volume 47, Issue x, x 2021 [DOI] [Paper]

Are Privacy Dashboards Good for End Users? Evaluating User Perceptions and Reactions to Google’s My Activity

2021 - Florian Farke, David Balash, Maximilian Golla, Markus Dürmuth, Adam Aviv

USENIX Security Symposium (SSYM '21). Virtual Conference, August 11-13, 2021 [Conference Page] [arXiv Preprint] [Paper]

"It's Stored, Hopefully, on an Encrypted Server": Mitigating Users' Misconceptions About FIDO2 Biometric WebAuthn

2021 - Leona Lassak, Annika Hildebrandt, Maximilian Golla, Blase Ur

USENIX Security Symposium (SSYM '21). Virtual Conference, August 11-13, 2021 [Conference Page]

Evaluation of Account Recovery Strategies with FIDO2-based Passwordless Authentication

2021 - Johannes Kunke, Stephan Wiefling, Markus Ullmann, Luigi Lo Iacono

Open Identity Summit 2021 (OID '21). Lyngby, Denmark, June 1-2, 2021 [Link] [Paper]

Apps Against the Spread: Privacy Implications and User Acceptance of COVID-19-Related Smartphone Apps on Three Continents

2021 - Christine Utz, Steffen Becker, Theodor Schnitzler, Florian Farke, Franziska Herbert, Leonie Schaewitz, Martin Degeling, Markus Dürmuth

ACM CHI Conference on Human Factors in Computing Systems 2021 [arXiv Preprint] [ACM Digital Library] [HTML Version]

We Built This Circuit: Exploring Threat Vectors in Circuit Establishment in Tor

2021 - Theodor Schnitzler, Christina Pöpper, Markus Dürmuth, Katharina Kohls

IEEE European Symposium on Security and Privacy (EuroS&P '21). Virtual Conference, September 6-10, 2021 [Paper]

What's in Score for Website Users: A Data-driven Long-term Study on Risk-based Authentication Characteristics

2021 - Stephan Wiefling, Markus Dürmuth, Luigi Lo Iacono

Financial Cryptography and Data Security (FC '21). Grenada, March 1-5, 2021 [Website] [Paper]

SoK: Managing Longitudinal Privacy of Publicly Shared Personal Online Data

2021 - Theodor Schnitzler, Shujaat Mirza, Markus Dürmuth, Christina Pöpper

Proceedings of Privacy Enhancing Technologies 2021, Volume 1, pp. 229-249, November 9, 2020 [Paper (DOI)] [Video] [Paper] [Slides]