Vincent Unsel, Stephan Wiefling, Nils Gruschka, Luigi Lo Iacono: Risk-Based Authentication for OpenStack: A Fully Functional Implementation and Guiding Example. In: 13th ACM Conference on Data and Application Security and Privacy (CODASPY '23) (April 2023), Charlotte, NC, USA, 2023
PDF Download (postprint version) doi:10.1145/3577923.35836 urn:nbn:de:hbz:1044-opus-66425 BibTeX | RIS

Stephan Wiefling, Jan Tolsdorf, Luigi Lo Iacono: Data Protection Officers' Perspectives on Privacy Challenges in Digital Ecosystems. In: SPOSE ’22, co-located with ESORICS ’22, 2023, S. 228-247 (Accepted Manuscript will be available twelve months after first publication.)
doi:10.1007/978-3-031-25460-4_13 urn:nbn:de:hbz:1044-opus-65973 BibTeX | RIS

Stephan Wiefling, Paul René Jørgensen, Sigurd Thunem, Luigi Lo Iacono: Pump Up Password Security! Evaluating and Enhancing Risk-Based Authentication on a Real-World Large-Scale Online Service. In: ACM Transactions on Privacy and Security, 26(1), 2023
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Stephan Wiefling, Paul René Jørgensen, Sigurd Thunem, Luigi Lo Iacono: Login Data Set for Risk-Based Authentication. Zenodo, 2022
doi:10.5281/zenodo.6782155 BibTeX | RIS

Stephan Wiefling, Markus Dürmuth, Luigi Lo Iacono: What's in Score for Website Users: A Data-Driven Long-Term Study on Risk-Based Authentication Characteristics. In: Borisov, Diaz (Eds.): Financial Cryptography and Data Security (FC '21). 25th International Conference, FC 2021, Virtual Event, March 1–5, 2021, Revised Selected Papers, Part II. Lecture Notes in Computer Science, vol 12675, 2021, S. 361-381
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Stephan Wiefling, Jan Tolsdorf, Luigi Lo Iacono: Privacy Considerations for Risk-Based Authentication Systems. In: 2021 International Workshop on Privacy Engineering (IWPE '21), co-located with 6th IEEE European European Symposium on Security and Privacy (EuroS&P '21). September 7, 2021. Vienna, Austria (Online), 2021, S. 320-327
PDF Download (CC BY 4.0) doi:10.1109/EuroSPW54576.2021.00040 urn:nbn:de:hbz:1044-opus-58417 BibTeX | RIS

Peter Leo Gorski, Sebastian Möller, Stephan Wiefling, Luigi Lo Iacono: "I just looked for the solution!" - On Integrating Security-Relevant Information in Non-Security API Documentation to Support Secure Coding Practices. In: IEEE Transactions on Software Engineering, 48(9), 2021, S. 3467-3484
PDF Download (postprint version) doi:10.1109/TSE.2021.3094171 urn:nbn:de:hbz:1044-opus-56314 BibTeX | RIS

Stephan Wiefling, Markus Dürmuth, Luigi Lo Iacono: Verify It's You: How Users Perceive Risk-based Authentication. In: IEEE Security & Privacy, 19(6), 2021, S. 47-57
PDF Download (postprint version) doi:10.1109/MSEC.2021.3077954 urn:nbn:de:hbz:1044-opus-54912 BibTeX | RIS

Johannes Kunke, Stephan Wiefling, Markus Ullmann, Luigi Lo Iacono: Evaluation of Account Recovery Strategies with FIDO2-based Passwordless Authentication. In: Roßnagel, Schunck et al. (Eds.): Open Identity Summit 2021 (OID '21), Lyngby, Denmark, June 1st and 2nd, 2021, 2021, S. 59-70
PDF Download (CC BY-SA 4.0) URL urn:nbn:de:hbz:1044-opus-54904 arXiv BibTeX | RIS

Stephan Wiefling, Markus Dürmuth, Luigi Lo Iacono: What's in Score for Website Users: A Data-driven Long-term Study on Risk-based Authentication Characteristics. In: 25th International Conference on Financial Cryptography and Data Security (FC '21). March 01-05, 2021. Pre-Proceedings, 2021
PDF Download (pre-proceedings version) URL arXiv urn:nbn:de:hbz:1044-opus-53053 BibTeX | RIS

Stephan Wiefling, Markus Dürmuth, Luigi Lo Iacono: More Than Just Good Passwords? A Study on Usability and Security Perceptions of Risk-based Authentication. In: 36th Annual Computer Security Applications Conference (ACSAC '20). December 07-11, 2020, 2020, S. 203-218
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Stephan Wiefling, Tanvi Patil, Markus Dürmuth, Luigi Lo Iacono: Evaluation of Risk-based Re-Authentication Methods. In: Hölbl, Rannenberg et al. (Eds.): ICT Systems Security and Privacy Protection. 35th IFIP TC 11 International Conference, SEC 2020, Maribor, Slovenia, September 21–23, 2020, Proceedings, 2020, S. 280-294
PDF Download (postprint version) urn:nbn:de:hbz:1044-opus-49521 URL doi:10.1007/978-3-030-58201-2_19 arXiv BibTeX | RIS

Stephan Wiefling: Usability, Sicherheit und Privatsphäre von risikobasierter Authentifizierung. In: Reinhardt, Langweg et al. (Hg.): Sicherheit 2020, 2020, S. 129-134
doi:10.18420/sicherheit2020_12 BibTeX | RIS

Luigi Lo Iacono, Stephan Wiefling, Michael Schneider: Programmieren trainieren: Mit über 130 Workouts in Java und Python. 2., erweiterte Auflage, München: Carl Hanser Verlag, 2020.
doi:10.3139/9783446460577 BibTeX | RIS

Stephan Wiefling, Luigi Lo Iacono, Markus Dürmuth: Is This Really You? An Empirical Study on Risk-Based Authentication Applied in the Wild. In: Dhillon, Karlsson et al. (Eds.): ICT Systems Security and Privacy Protection. 34th IFIP TC 11 International Conference, SEC 2019, Lisbon, Portugal, June 25-27, 2019, Proceedings, 2019, S. 134-148
doi:10.1007/978-3-030-22312-0_10 URL arXiv BibTeX | RIS

Stephan Wiefling, Nils Gruschka, Luigi Lo Iacono: Even Turing Should Sometimes Not Be Able To Tell: Mimicking Humanoid Usage Behavior for Exploratory Studies of Online Services. In: Askarov, Hansen et al. (Eds.): Secure IT Systems. 24th Nordic Conference, NordSec 2019, Aalborg, Denmark, November 18–20, 2019, Proceedings, 2019, S. 188-203
doi:10.1007/978-3-030-35055-0_12 URL BibTeX | RIS

Peter Leo Gorski, Luigi Lo Iacono, Stephan Wiefling, Sebastian Möller: Warn if Secure or How to Deal with Security by Default in Software Development?. In: Twelfth International Symposium on Human Aspects of Information Security & Assurance (HAISA 2018), Dundee, Scotland, UK, August 29-31, 2018, 2018, S. 170-190
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Luigi Lo Iacono, Stephan Wiefling, Michael Schneider: Programmieren trainieren: Mit über 120 Workouts in Java und Python. München: Hanser, 2018.
doi:10.3139/9783446455030 BibTeX | RIS

Stephan Wiefling, Luigi Lo Iacono, Frederik Sandbrink: Anwendung der Blockchain außerhalb von Geldwährungen. In: DuD (Datenschutz und Datensicherheit), 41(8), 2017, S. 482-486
doi:10.1007/s11623-017-0816-x URL BibTeX | RIS

Christoph Pörschmann, Stephan Wiefling: Dynamische Binauralsynthese auf Basis gemessener einkanaliger Raumimpulsantworten. In: German Annual Conference on Acoustics (DAGA), Nürnberg, 16-19 Mar 2015, 2015
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Christoph Pörschmann, Stephan Wiefling: Perceptual Aspects of Dynamic Binaural Synthesis based on measured Omnidirectional Room Impulse Responses. In: ICSA 2015: 3rd International Conference on Spatial Audio, Graz, 18. - 20. Sept. 2015, 2015
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