A Qualitative Study of Adoption Barriers and Challenges for Passwordless Authentication in German Public Administrations.

Sabrina Klivan Sabrina Amft CISPA Helmholtz Center for Information Security, Saarbrücken, Germany Leibniz University Hannover, Germany https://samft.de/ https://scholar.google.com/citations?user=xwQPfh4AAAAJ https://orcid.org/0009-0002-2315-8989 Jan-Ulrich Holtgrave Sabrina Klivan Karola Marky Sascha Fahl A Qualitative Study of Adoption Barriers and Challenges for Passwordless Authentication in German Public Administrations. 1090:1-1090:16 2025 CHI https://doi.org/10.1145/3706598.3713252 conf/chi/2025 db/conf/chi/chi2025.html#HoltgraveKMF25 Sabrina Amft On the usability of authentication security communication University of Hanover, Germany 2024 base-search.net (ftunivhannover:oai:www.repo.uni-hannover.de:123456789/18094) https://www.repo.uni-hannover.de/handle/123456789/18094 https://doi.org/10.15488/17959 https://www.base-search.net/Record/4299f1c1da63af234a4e831afa630c08900442df61c64394dd40222b69f5ba12 https://nbn-resolving.org/urn:nbn:de:101:1-2409120220594.762599691048 https://d-nb.info/1341720721 Nicolas Huaman Marten Oltrogge Sabrina Klivan Yannick Evers Sascha Fahl Passwords To-Go: Investigating Multifaceted Challenges for Password Managers in the Android Ecosystem. 304-320 2024 ACSAC https://doi.org/10.1109/ACSAC63791.2024.00038 conf/acsac/2024 db/conf/acsac/acsac2024.html#HuamanOKEF24 Philip Klostermeyer Sabrina Amft Sandra Höltervennhoff Alexander Krause 0002 Niklas Busch Sascha Fahl Skipping the Security Side Quests: A Qualitative Study on Security Practices and Challenges in Game Development. 2651-2665 2024 CCS https://doi.org/10.1145/3658644.3690190 conf/ccs/2024 db/conf/ccs/ccs2024.html#KlostermeyerAHK24 Sabrina Amft Sandra Höltervennhoff Rebecca Panskus Karola Marky Sascha Fahl Everyone for Themselves? A Qualitative Study about Individual Security Setups of Open Source Software Contributors. 1065-1082 2024 SP https://doi.org/10.1109/SP54263.2024.00214 conf/sp/2024 db/conf/sp/sp2024.html#AmftHPMF24 streams/conf/sp Nicolas Huaman Jacques Suray Jan H. Klemmer Marcel Fourné Sabrina Amft Ivana Trummová Yasemin Acar Sascha Fahl "You have to read 50 different RFCs that contradict each other": An Interview Study on the Experiences of Implementing Cryptographic Standards. 2024 USENIX Security Symposium https://www.usenix.org/conference/usenixsecurity24/presentation/huaman conf/uss/2024 db/conf/uss/uss2024.html#HuamanSKFATAF24

Christine Utz Sabrina Amft Martin Degeling Thorsten Holz Sascha Fahl Florian Schaub Privacy Rarely Considered: Exploring Considerations in the Adoption of Third-Party Services by Websites. 5-28 2023 January 2023 Proc. Priv. Enhancing Technol. 1 https://doi.org/10.56553/popets-2023-0002 db/journals/popets/popets2023.html#UtzADHFS23

Sabrina Amft Sandra Höltervennhoff Nicolas Huaman Alexander Krause 0002 Lucy Simko Yasemin Acar Sascha Fahl "We've Disabled MFA for You": An Evaluation of the Security and Usability of Multi-Factor Authentication Recovery Deployments. 3138-3152 2023 CCS https://doi.org/10.1145/3576915.3623180 conf/ccs/2023 db/conf/ccs/ccs2023.html#AmftHHKSAF23 Sabrina Amft Sandra Höltervennhoff Nicolas Huaman Yasemin Acar Sascha Fahl "Would You Give the Same Priority to the Bank and a Game? I Do Not!" Exploring Credential Management Strategies and Obstacles during Password Manager Setup. 171-190 2023 SOUPS https://www.usenix.org/conference/soups2023/presentation/amft conf/soups/2023 db/conf/soups/soups2023.html#AmftHHAF23

Sabrina Amft Sandra Höltervennhoff Nicolas Huaman Alexander Krause 0002 Lucy Simko Yasemin Acar Sascha Fahl Lost and not Found: An Investigation of Recovery Methods for Multi-Factor Authentication. 2023 abs/2306.09708 CoRR https://doi.org/10.48550/arXiv.2306.09708 db/journals/corr/corr2306.html#abs-2306-09708

Nicolas Huaman Sabrina Amft Marten Oltrogge Yasemin Acar Sascha Fahl They Would Do Better If They Worked Together: Interaction Problems Between Password Managers and the Web. 49-60 2022 20 IEEE Secur. Priv. 2 https://doi.org/10.1109/MSEC.2021.3123795 https://www.wikidata.org/entity/Q114629026 db/journals/ieeesp/ieeesp20.html#HuamanAOAF22

Harjot Kaur Sabrina Amft Daniel Votipka Yasemin Acar Sascha Fahl Where to Recruit for Security Development Studies: Comparing Six Software Developer Samples. 4041-4058 2022 USENIX Security Symposium https://www.usenix.org/conference/usenixsecurity22/presentation/kaur conf/uss/2022 db/conf/uss/uss2022.html#KaurAVAF22

Christine Utz Sabrina Amft Martin Degeling Thorsten Holz Sascha Fahl Florian Schaub Privacy Rarely Considered: Exploring Considerations in the Adoption of Third-Party Services by Websites. 2022 abs/2203.11387 CoRR https://doi.org/10.48550/arXiv.2203.11387 db/journals/corr/corr2203.html#abs-2203-11387

Nicolas Huaman Sabrina Amft Marten Oltrogge Yasemin Acar Sascha Fahl They Would do Better if They Worked Together: The Case of Interaction Problems Between Password Managers and Websites. 1367-1381 2021 SP https://doi.org/10.1109/SP40001.2021.00094 conf/sp/2021 db/conf/sp/sp2021.html#HuamanAOAF21 Marten Oltrogge Nicolas Huaman Sabrina Amft Yasemin Acar Michael Backes 0001 Sascha Fahl Why Eve and Mallory Still Love Android: Revisiting TLS (In)Security in Android Applications. 4347-4364 2021 USENIX Security Symposium https://www.usenix.org/conference/usenixsecurity21/presentation/oltrogge conf/uss/2021 db/conf/uss/uss2021.html#OltroggeHAA0F21

Karoline Busse Sabrina Amft Daniel Hecker Emanuel von Zezschwitz "Get a Free Item Pack with Every Activation!". 217-236 2019 18 i-com 3 https://doi.org/10.1515/icom-2019-0012 https://www.wikidata.org/entity/Q126356511 db/journals/icom/icom18.html#BusseAHZ19

Lilli Bruckschen Sabrina Amft Julian Tanke Jürgen Gall Maren Bennewitz Detection of Generic Human-Object Interactions in Video Streams. 108-118 2019 ICSR https://doi.org/10.1007/978-3-030-35888-4_11 conf/socrob/2019 db/conf/socrob/icsr2019.html#BruckschenATGB19

Karoline Busse Sabrina Amft Daniel Hecker Emanuel von Zezschwitz "Get a Free Item Pack with Every Activation!" - Do Incentives Increase the Adoption Rates of Two-Factor Authentication? 2019 abs/1910.07269 CoRR http://arxiv.org/abs/1910.07269 db/journals/corr/corr1910.html#abs-1910-07269

Yasemin Acar Michael Backes 0001 Maren Bennewitz Lilli Bruckschen Niklas Busch Karoline Busse Martin Degeling Yannick Evers Sascha Fahl Marcel Fourné Juergen GallJürgen Gall Nicolas Huaman GroschopfNicolas Huaman Daniel Hecker Sandra Höltervennhoff Jan-Ulrich Holtgrave Thorsten Holz Harjot Kaur Jan H. Klemmer Philip Klostermeyer Alexander Krause 0002 Karola Marky Marten Oltrogge Rebecca Panskus Florian Schaub Lucy Simko Jacques Suray Julian Tanke Ivana Trummová Christine Utz Daniel Votipka Emanuel von Zezschwitz