Why Aren't We Using Passkeys? Obstacles Companies Face Deploying FIDO2 Passwordless Authentication
Leona Lassak, Elleen Pan, Blase Ur, and Maximilian Golla
USENIX Security Symposium (SSYM '24)

A Comparative Long-Term Study of Fallback Authentication Schemes
Leona Lassak, Phillip Markert, Maximilian Golla, Elizabeth Stobert, and Markus Dürmuth
Conference on Human Factors in Computing Systems (CHI '24)

Understanding Users' Interaction with Login Notifications
Phillip Markert, Leona Lassak, Maximilian Golla, and Markus Dürmuth
Conference on Human Factors in Computing Systems (CHI '24)

POSTER: Introducing Data Trustees: A Vignette-Based Study Approach to Get Users in the Loop
Leona Lassak, Hanna Püschel, Tobias Gostomzyk, and Markus Dürmuth
Symposium on Usable Privacy and Security (SOUPS '23)

POSTER: "It's Stored, Hopefully, on an Encrypted Server": Mitigating Users' Misconceptions About FIDO2 Biometric WebAuthn
Leona Lassak, Annika Hildebrandt, Maximilian Golla, and Blase Ur
Symposium on Usable Privacy and Security (SOUPS '22)

Exploring User Authentication with Windows Hello in a Small Business Environment
Florian M. Farke, Leona Lassak, Jannis Pinter, and Markus Dürmuth
Symposium on Usable Privacy and Security (SOUPS '22)

“Fast, Easy, Convenient.” Studying Adoption and Perception of Digital Covid Certificates
Franziska Herbert, Marvin Kowalewski, Theodor Schnitzler, Leona Lassak, and Markus Dürmuth
Symposium on Usable Privacy and Security (SOUPS '22)

"It's Stored, Hopefully, on an Encrypted Server": Mitigating Users' Misconceptions About FIDO2 Biometric WebAuthn
Leona Lassak, Annika Hildebrandt, Maximilian Golla, and Blase Ur
USENIX Security Symposium (SSYM '21)