Christine Utz

Researcher in online privacy, tech & law, digital rights

Publications

Peer-Reviewed Conference and Workshop Proceedings

  1. Comparing Apples to Androids: Discovery, Retrieval, and Matching of iOS and Android Apps for Cross-Platform Analyses
    Magdalena Steinböck, Jakob Bleier, Mikka Rainer, Tobias Urban, Christine Utz, and Martina Lindorfer. In: Proceedings of the 21st International Conference on Mining Software Repositories (MSR 2024), pp. 348-360.
    URL URL PDF

  2. Where Are the Red Lines? Towards Ethical Server-Side Scans in Security and Privacy Research
    Florian Hantke, Sebastian Roth, Rafael Mrowczynski, Christine Utz, and Ben Stock. In: Proceedings of the 45th IEEE Symposium on Security and Privacy (S&P 2024), pp. 107-107.
    URL | Preprint

  3. A Bilingual Longitudinal Analysis of Privacy Policies Measuring the Impacts of the GDPR and the CCPA/CPRA
    Henry Hosseini, Christine Utz, Martin Degeling, and Thomas Hupperich. In: Proceedings on Privacy Enhancing Technologies, vol. 2024 (2), pp. 434–463; presented at the 24th Privacy Enhancing Technologies Symposium (PETS 2024).
    URL | PDF

  4. 52 Weeks Later: Attitudes Towards COVID-19 Apps for Different Purposes Over Time
    Marvin Kowalewski, Christine Utz, Martin Degeling, Theodor Schnitzler, Franziska Herbert, Leonie Schaewitz, Florian M. Farke, Steffen Becker, and Markus Dürmuth. In: Proceedings of the ACM on Human-Computer Interaction, Volume 7, Issue CSCW2, Article No. 251, pp. 1–45; presented at the 26th ACM Conference on Computer-Supported Cooperative Work and Social Computing (CSCW 2023).
    URL | PDF | arXiv

  5. Comparing Large-Scale Privacy and Security Notifications
    Christine Utz, Matthias Michels, Martin Degeling, Ninja Marnau, and Ben Stock. In: Proceedings on Privacy Enhancing Technologies, vol. 2023 (3), pp. 173–193; presented at the 23rd Privacy Enhancing Technologies Symposium (PETS 2023).
    URL | PDF

  6. Privacy Rarely Considered: Exploring Considerations in the Adoption of Third-Party Services by Websites
    Christine Utz, Sabrina Amft, Martin Degeling, Thorsten Holz, Sascha Fahl, and Florian Schaub. In: Proceedings on Privacy Enhancing Technologies, vol. 2023 (1), pp. 5–28; presented at the 23rd Privacy Enhancing Technologies Symposium (PETS 2023).
    URL | PDF

  7. A Tale of Two Regulatory Regimes: Creation and Analysis of a Bilingual Privacy Policy Corpus
    Siddhant Arora, Henry Hosseini, Christine Utz, Vinayshekhar Bannihatti Kumar, Tristan Dhellemmes, Abhilasha Ravichander, Peter Story, Jasmine Mangat, Rex Chen, Martin Degeling, Tom Norton, Thomas Hupperich, Shomir Wilson, and Norman Sadeh. In: Proceedings of the 13th Language Resources and Evaluation Conference (LREC 2022), pp. 5460–5472.
    PDF

  8. Unifying Privacy Policy Detection
    Henry Hosseini, Martin Degeling, Christine Utz, and Thomas Hupperich. In: Proceedings on Privacy Enhancing Technologies, vol. 2021 (4), pp. 480–499; presented at the 21st Privacy Enhancing Technologies Symposium (PETS 2021).
    URL | PDF | GitHub

  9. Apps Against the Spread: Privacy Implications and User Acceptance of COVID-19-Related Smartphone Apps on Three Continents
    Christine Utz, Steffen Becker, Theodor Schnitzler, Florian M. Farke, Franziska Herbert, Leonie Schaewitz, Martin Degeling, and Markus Dürmuth. In: Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems (CHI 2021), Article No. 70, pp. 1–22.
    Website | PDF | Slides

  10. (Un)informed Consent: Studying GDPR Consent Notices in the Field
    Christine Utz, Martin Degeling, Sascha Fahl, Florian Schaub, and Thorsten Holz. In: Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security (CCS 2019), pp. 973–990.
    Website | PDF | GitHub | Slides

  11. We Value Your Privacy … Now Take Some Cookies: Measuring the GDPR’s Impact on Web Privacy
    Martin Degeling, Christine Utz, Christopher Lentzsch, Henry Hosseini, Florian Schaub, and Thorsten Holz. In: Proceedings of the 2019 Network and Distributed System Security Symposium (NDSS 2019).
    Website | PDF | GitHub | Slides

  12. User Perception and Expectations of Deleting Instant Messages – or – “What Happens If I Press This Button?”
    Theodor Schnitzler, Christine Utz, Florian Farke, Christina Pöpper, and Markus Dürmuth. In: Proceedings of the 3rd European Workshop on Usable Security (EuroUSEC 2018).
    PDF | Slides

Peer-Reviewed Journal Articles

Unfortunately most of these are behind paywalls, so contact me if you are interested in a specific article.

  1. Exploring User Perceptions of Deletion in Mobile Instant Messaging Applications
    Theodor Schnitzler, Christine Utz, Florian Farke, Christina Pöpper, and Markus Dürmuth. In: Journal of Cybersecurity, vol. 6 (1) (2020), pp. 1–15.
    URL | PDF

  2. Die DSGVO als internationales Vorbild?
    (in German; English translation: “The GDPR as an International Role Model?”)
    Christine Utz, Stephan Koloßa, Thorsten Holz, and Pierre Thielbörger. In: Datenschutz & Datensicherheit 43 (Nov. 2019), pp. 700–705.
    URL

  3. Redefining Data Transparency: A Multidimensional Approach
    Elisa Bertino, Shawn Merrill, Alina Nesen, and Christine Utz. In: IEEE Computer, vol. 52 (1) (Jan. 2019), pp. 16–26.
    URL

  4. State-of-the-Art: Ermittlungen in der Cloud
    (in German; English translation: “State of the Art: Investigations in the Cloud”)
    Thomas Süptitz, Christine Utz, and Torsten Eymann. In: Datenschutz & Datensicherheit 37 (May 2013), pp. 307–312.
    URL

Other Peer-Reviewed Publications

  1. Poster: Interdisciplinary Human-Centered Security Research: Learning from Opportunities and Challenges of a German Graduate Program
    Jonas Hielscher, Uta Menges, Leona Lassak, Hanna Püschel, Olga Skrebec, and Christine Utz. In: Nineteenth Symposium on Usable Privacy and Security (SOUPS 2023).
    URL | Poster Abstract PDF | Poster PDF

  2. Poster: Interdisciplinary Human-Centered Security Research: Learning from Opportunities and Challenges of a German Graduate Program
    Jonas Hielscher, Uta Menges, Leona Lassak, Hanna Püschel, Olga Skrebec, and Christine Utz. In: Nineteenth Symposium on Usable Privacy and Security (SOUPS 2023).
    URL | Poster Abstract PDF | Poster PDF

  3. Poster: Privacy Rarely Considered: Exploring Considerations in the Adoption of Third-Party Services by Websites
    Christine Utz, Sabrina Amft, Martin Degeling, Thorsten Holz, Sascha Fahl, and Florian Schaub. In: Nineteenth Symposium on Usable Privacy and Security (SOUPS 2023).
    URL | Poster Abstract PDF | Poster PDF

  4. Die Nutzung von Smartphone-Apps zur Eindämmung von COVID-19 in Deutschland
    (in German; English translation: “The Use of Smartphone Apps for the Containment of COVID-19 in Germany”)
    Martin Degeling, Christine Utz, Florian M. Farke, Franziska Herbert, Leonie Schaewitz, Marvin Kowalewski, Steffen Becker, Theodor Schnitzler, and Markus Dürmuth. In: Dennis Krämer, Joschka Haltaufderheide, and Jochen Vollman (Ed.), Technologien der Krise – Die COVID-19-Pandemie als Katalysator der Vernetzung, Transcript Verlag, July 2022. ISBN: 978-3-8376-5924-5.
    URL

  5. Extended Abstract: Analysis of 1,000 Arbiter PUF based RFID Tags
    Christine Utz, Johannes Tobisch, and Georg T. Becker. In: 6th Conference on Trustworthy Manufacturing and Utilization of Secure Devices (TRUDEVICE 2016).
    URL

Informal Publications

  1. Which Online Platforms and Dark Patterns Should Be Regulated under Article 25 of the DSA?
    Cristiana Santos, Nataliia Bielova, Sanju Ahuja, Christine Utz, Colin Gray, and Gilles Mertens
    SSRN Preprint, July 2024
    URL | PDF

  2. Akzeptanz von Corona-Apps in Deutschland vor der Einführung der Corona-Warn-App
    (in German; English translation: “Acceptance of Corona Apps in Germany Before the Launch of the Corona-Warn-App”)
    Steffen Becker, Martin Degeling, Markus Dürmuth, Florian Farke, Leonie Schaewitz, Theodor Schnitzler, and Christine Utz
    Tech Report, Ruhr University Bochum, 2020
    URL | PDF

Thesis