2026

Binkle, J., Raghavajosyula, V., Heinrich, T., Feldmann, A., Fiebig, T., & Zirngibl, J. (2026). The Internet’s Path MTUs: How Big Can You Go? In IMC ’26, 26th ACM on Internet Measurement Conference. Karlsruhe, Germany: ACM. (Accepted/in press.)

El Sayed, N., Spooren, P., Schreier, A., Schulz-Zander, J., Pavlović Tukacović, N., Dwan, J., Mishra, S., Suratwala, D., Amini, E., Wagner, D., Walenta, N., Freund, R., Goebel, T., Steinlechner, F., Boiko, Y., & Hühn, T. (2026). Q-net-Q: Architecture, Deployment, and Experimental Evaluation of a Multi-Scenario QKD Network Infrastructure. In Proceedings of the Workshop on Networked Quantum Systems and Applications (NetQSA 2026).

Fiebig, T. (2026). Publication associated with DOI 10.1145/3777912.3847604. ACM.

Hernandez, D., Alhamwy, Y., Wagner, D., Stephan, M., Wichtlhuber, M., & Hohlfeld, O. (2026). LARS: Keeping Local Traffic Local with Latency-Aware Route Servers at IXPs. In Proceedings of the ACM SIGCOMM Conference (SIGCOMM 2026).

Hohlfeld, O., Alhamwy, Y., Striffler, T., Wagner, D., & Wichtlhuber, M. (2026). When the Lights Go Out: Internet Resilience During the 2025 Iberian Power Outage. ACM SIGCOMM Computer Communication Review, 56(1), 3–10.

Inamdar, A. S., Fiebig, T., & Kaur, M. (2026). The Ivory Tower Syndrome: Operators’ Reflections on Academic BGP Security Solutions. In Proceedings of the 35th USENIX Security Symposium. Baltimore, MD, USA: USENIX. 

Kappes, S., Feldmann, A., Fiebig, T., & Zirngibl, J. (2026). TTL Jumps: Unexpected TTL Rewrites Impacting Inferences from Traceroutes. In IMC ’26, 26th ACM on Internet Measurement Conference. Karlsruhe, Germany: ACM.  (Accepted/in press.)

Kaur, M., & Fiebig, T. (2026). Privacy-Preserving Infrastructure for Online Focus Groups. Full Stack Feminism.  

Mani, P., Misell, Q., Hennen, P., Feldmann, A., & Fiebig, T. (2026). ‘Quis mensurat ipsos mensores?’: Evaluating Data Consistency of BGP Route Collectors & Brokers. In IMC ’26, 26th ACM on Internet Measurement Conference (pp. 936–943). Karlsruhe, Germany: ACM. 

Momoka, & Fiebig, T. (2026). Operational Guidelines for DNS Transport in Mixed IPv4/IPv6 Environments. RFC 10001; Best Current Practice 91. Internet Engineering Task Force (IETF). RFC information. 

Weyns, M., Ferrero, D., Op de Beek, S., Wagner, D., Smaragdakis, G., & Griffioen, H. (2026). From Mirai to Gorilla: Deep Dive into a Long-Lasting DDoS-for-Hire Botnet. In Proceedings of the 35th USENIX Security Symposium. Baltimore, MD, USA: USENIX.

2025

Agahari, W., Dirksen, A., Johns, M., de Reuver, M., & Fiebig, T. (2025). The Importance of Being Earnest: Shedding Light on Johnny’s (False) Sense of Privacy. In 46th IEEE Symposium on Security and Privacy (SP 2025) (pp. 1306–1324). San Francisco, CA, USA: IEEE. 

Ashiq, M. I., Fiebig, T., & Chung, T. (2025). Unraveling the Complexities of MTA-STS Deployment and Management in Securing Email. In IMC ’25, ACM on Internet Measurement Conference (pp. 1–16). Madison, WI, USA: ACM. 

Fiebig, T. (2025). Ohne TÜV auf der Datenautobahn. Deutsche Richterzeitung, 103(2), 72–75. München: Beck.

Fiebig, T., & Feldmann, A. (2025). How I Learned to Stop Worrying and Love IPv6: Measuring the Internet’s Readiness for DNS over IPv6. In IMC ’25, 25th ACM on Internet Measurement Conference (pp. 359–380). Madison, WI, USA: ACM. 

Misell, Q., Steurer, F., Zirngibl, J., Feldmann, A., & Fiebig, T. (2025). Measuring the Deployment of DNSSEC Bootstrapping Using Authenticated Signals. In IMC ’25, 25th ACM on Internet Measurement Conference (pp. 1002–1009). Madison, WI, USA: ACM. 

Munot, S., Fiebig, T., & Kaur, M. (2025). Compliance by Design or by Disguise? GDPR’s Reshaping of High-Ranked Universities’ Privacy Policies. In WPES ’25, 24th Workshop on Privacy in the Electronic Society (pp. 183–197). Taipei, Taiwan: ACM. 

Munot, S., Fiebig, T., & Kaur, M. (2025). You Just Wanna Sign on the Dotted Line and Hope for the Best: Navigating the Cloudscapes of Higher Education. Proceedings of the ACM on Human-Computer Interaction, 9(7), Article CSCW267, 1–44. ACM. 

Munteanu, C., Smaragdakis, G., Feldmann, A., & Fiebig, T. (2025). Catch-22: Uncovering Compromised Hosts Using SSH Public Keys. In Proceedings of the 34th USENIX Security Symposium (pp. 861–878). Seattle, WA, USA: USENIX.

Steurer, F., Feldmann, A., & Fiebig, T. (2025). A Tree in a Tree: Measuring Biases of Partial DNS Tree Exploration. In Passive and Active Measurement (PAM 2025) (Lecture Notes in Computer Science, Vol. 15567, pp. 106–136). Springer. (Best Paper Award.)

Steurer, F., Raghavajosyula, V., Lachos, D., Feldmann, A., & Fiebig, T. (2025). Catching Wind in a Net: The Effects of the CrowdStrike Outage on Internet Traffic. In Proceedings of the 9th Network Traffic Measurement and Analysis Conference (pp. 1–10). Copenhagen, Denmark: IEEE. 

2024

Ashiq, M. I., Li, W., Fiebig, T., & Chung, T. (2024). SPF Beyond the Standard: Management and Operational Challenges in Practice and Practical Recommendations. In Proceedings of the 33rd USENIX Security Symposium (pp. 3081–3098). Philadelphia, PA, USA: USENIX.

Dirksen, A., Giessler, S., Erz, H., Johns, M., & Fiebig, T. (2024). Don’t Patch the Researcher, Patch the Game: A Systematic Approach for Responsible Research via Federated Ethics Boards. In New Security Paradigms Workshop (NSPW 2024) (pp. 126–141). Bedford, PA, USA: ACM.

Steurer, F., Wagner, D., Lachos, D., Feldmann, A., & Fiebig, T. (2024). The Roots Go Deep: Measuring “.” Under Change. In IMC ’24, ACM on Internet Measurement Conference (pp. 441–453). Madrid, Spain: ACM. 

2023

Ashiq, M. I., Li, W., Fiebig, T., & Chung, T. (2023). You’ve Got Report: Measurement and Security Implications of DMARC Reporting. In Proceedings of the 32nd USENIX Security Symposium (pp. 4123–4137). Anaheim, CA, USA: USENIX.

Fiebig, T. (2023a). Crisis, Ethics, Reliability & a measurement.network: Reflections on Active Network Measurements in Academia. In ANRW ’23, Applied Networking Research Workshop (pp. 44–50). San Francisco, CA, USA: ACM. 

Fiebig, T. (2023b). Report on the Security State of Networks of Max-Planck Institutes: Findings and Recommendations. München: Max Planck Society. 

Fiebig, T., Gürses, S., Gañán, C. H., Kotkamp, E., Kuipers, F., Lindorfer, M., Prisse, M., & Sari, T. (2023). Heads in the Clouds? Measuring Universities’ Migration to Public Clouds: Implications for Privacy & Academic Freedom. Proceedings on Privacy Enhancing Technologies Symposium, 2023(2), 117–150. 

Jansen, B., Kadenko, N., Broeders, D., van Eeten, M., Borgolte, K., & Fiebig, T. (2023). Pushing Boundaries: An Empirical View on the Digital Sovereignty of Six Governments in the Midst of Geopolitical Tensions. Government Information Quarterly, 40(4), Article 101862.

Jungwirth, G., Saha, A., Schröder, M., Fiebig, T., Lindorfer, M., & Cito, J. (2023). Connecting the .dotfiles: Checked-In Secret Exposure with Extra (Lateral Movement) Steps. In IEEE/ACM 20th International Conference on Mining Software Repositories (MSR 2023) (pp. 322–333). Melbourne, Australia: IEEE. 

Kaur, M., Ramulu, H. S., Acar, Y., & Fiebig, T. (2023). “Oh Yes! Over-Preparing for Meetings Is My Jam :)”: The Gendered Experiences of System Administrators. Proceedings of the ACM on Human-Computer Interaction, 7(CSCW1), Article 141, 1–38. ACM. 

Pletinckx, S., Nguyen, T.-D., Fiebig, T., Kruegel, C., & Vigna, G. (2023). Certifiably Vulnerable: Using Certificate Transparency Logs for Target Reconnaissance. In 8th IEEE European Symposium on Security and Privacy (EuroS&P 2023) (pp. 817–831). Delft, The Netherlands: IEEE. 

Streibelt, F., Lindorfer, M., Gürses, S., Gañán, C. H., & Fiebig, T. (2023). Back-to-the-Future Whois: An IP Address Attribution Service for Working with Historic Datasets. In Passive and Active Measurement (PAM 2023) (Lecture Notes in Computer Science, Vol. 13882, pp. 209–226). Springer. 

Streibelt, F., Sattler, P., Lichtblau, F., Gañán, C. H., Feldmann, A., Gasser, O., & Fiebig, T. (2023). How Ready Is DNS for an IPv6-Only World? In Passive and Active Measurement (PAM 2023) (Lecture Notes in Computer Science, Vol. 13882, pp. 525–549). Springer. 

Wagner, D., Ranadive, S., Griffioen, H., Kallitsis, M., Dainotti, A., Smaragdakis, G., & Feldmann, A. (2023). How to Operate a Meta-Telescope in Your Spare Time. In Proceedings of the 2023 ACM Internet Measurement Conference (pp. 328–343). New York, NY, USA: Association for Computing Machinery (ACM).

2022

Chiba, D., Akiyama, M., Otsuki, Y., Hada, H., Yagi, T., Fiebig, T., & van Eeten, M. (2022). DomainPrio: Prioritizing Domain Name Investigations to Improve SOC Efficiency. IEEE Access, 10, 34352–34368. IEEE. 

Fiebig, T., & Aschenbrenner, D. (2022). 13 Propositions on an Internet for a “Burning World.” In TAURIN+BGI ’22, ACM SIGCOMM 2022 Joint Workshops on Technologies, Applications, and Uses of a Responsible Internet and Building Greener Internet (pp. 1–5). Amsterdam, The Netherlands: ACM. 

Fiebig, T., Lindorfer, M., & Gürses, S. (2022). Position Paper: Escaping Academic Cloudification to Preserve Academic Freedom. Privacy Studies Journal, 1(1), 49–66. 

Holzbauer, F., Ullrich, J., Lindorfer, M., & Fiebig, T. (2022). Not That Simple: Email Delivery in the 21st Century. In USENIX ATC ’22, USENIX Annual Technical Conference (pp. 295–308). Carlsbad, CA, USA: USENIX Association. Publisher page: 

Kaur, M., Parkin, S., Janssen, M., & Fiebig, T. (2022). “I Needed to Solve Their Overwhelmness”: How System Administration Work Was Affected by COVID-19. Proceedings of the ACM on Human-Computer Interaction, 6(CSCW2), Article 390, 1–30. ACM. 

Wagner, D., Wichtlhuber, M., Dietzel, C., Blendin, J., & Feldmann, A. (2022). P4IX: A Concept for P4 Programmable Data Planes at IXPs. In Proceedings of the ACM SIGCOMM Workshop on Future of Internet Routing & Addressing (FIRA 2022).

2021

Feldmann, A., Gasser, O., Lichtblau, F., Pujol, E., Poese, I., Dietzel, C., Wagner, D., Wichtlhuber, M., Tapiador, J., Vallina-Rodriguez, N., Hohlfeld, O., & Smaragdakis, G. (2021). A Year in Lockdown: How the Waves of COVID-19 Impact Internet Traffic. Communications of the ACM, 64(7), 101–108.

Wagner, D., Kopp, D., Wichtlhuber, M., Dietzel, C., Hohlfeld, O., Smaragdakis, G., & Feldmann, A. (2021). United We Stand: Collaborative Detection and Mitigation of Amplification DDoS Attacks at Scale. In Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications Security (CCS 2021, pp. 970–987). New York, NY, USA: Association for Computing Machinery (ACM).

2020

Feldmann, A., Gasser, O., Lichtblau, F., Pujol, E., Poese, I., Dietzel, C., Wagner, D., Wichtlhuber, M., Tapiador, J., Vallina-Rodriguez, N., Hohlfeld, O., & Smaragdakis, G. (2020). The Lockdown Effect: Implications of the COVID-19 Pandemic on Internet Traffic. In Proceedings of the 2020 ACM Internet Measurement Conference (IMC 2020). New York, NY, USA: Association for Computing Machinery (ACM).

Previous publications.