Lion Steger

Research Associate

Postal address

  • Institut für Informatik der
  • Technischen Universität München
  • Lehrstuhl I8
  • Boltzmannstr. 3
  • 85748 Garching bei München - Germany

Contact

Consultation hours

By arrangement

Research

  • Privacy and Security, Proxy Technology, MASQUE Proxying
  • Global Internet Censorship, Great Firewall of China
  • Internet Measurements with focus on IPv6

projects

  • ALL#HANDS: Robustes Daten-ökosystem für ein kooperatives Internet-Lage- und Informationszentrum (2026 – 2028)
  • PRIMEnet: Predictive Analysis of Routing and Network flows for an Intelligent Network Management (2021 – 2024)

Teaching

  • From winter term 2022/23 onwards: Teaching Assistant (Lecture & Exercises) for Network Security
  • From summer term 2023 onwards: Teaching Assistant (Lecture & Exercises) for Peer-to-Peer Systems and Security
  • From winter term 2022/23 onwards: Seminar IITM (advisor)

Supervised Theses

In progress

Student Title Type Advisors Year Links
Johannes Nonnast Tomography of WhatsApp Infrastructure MA Lion Steger, Ernst Biersack 2026
Daniel Padrta Improving monitoring and automation services for the IPv6 Hitlist Service IDP Lion Steger 2026
Chiara Noemi Koch Design of Hacking Challenges on Network Security BA Lion Steger 2026

Finished

Author Title Type Advisors Year Links
Janin Chaib Enhancing the Privacy of the DNS-over-QUIC Protocol Through Oblivious DNS MA Marcel Kempf, Lion Steger 2025
Youssef Mebazaa Tomography of WhatsApp Infrastructure BA Lion Steger, Ernst Biersack 2025
Maximilian Kienitz Design of Hacking Challenges on Network Security BA Lion Steger, Stefan Genchev 2025
Lazlo Jäger Optimization of IPv6 Aliased Prefix Detection MA Lion Steger, Johannes Zirngibl 2025
Keynan Salmanov Implementing and Evaluating IPv6 Target Generation Algorithms (6Loda) BA Lion Steger 2025
Jakob Michalak Implementing and Evaluating IPv6 Target Generation Algorithms (6Vision) BA Lion Steger 2025
Julian Wilke Implementing and Evaluating IPv6 Target Generation Algorithms (6subpattern) BA Lion Steger 2025
Christian Junginger Design and Implementation of a TGA Evaluation Platform BA, IDP Lion Steger, Johannes Zirngibl 2025
Youcef Jerbi Enhancing Anonymity in MASQUE Proxying with Mix Networks and Cover Traffic BA Lion Steger, Daniel Petri 2025
Valentin Linhardt Searching Patterns in Simulated Network Attacks BA Tim Betzer, Lion Steger 2025
Dan Lionis MASQUE-OFF: Unmasking Bottlenecks in High-Throughput CONNECT-IP Implementations MA Lion Steger, Marcel Kempf, Daniel Petri 2025
Dimitar Vasilev Sourcing Service-Specific IPv6-Hitlists using IPv4 Port Scans and Subdomain Analysis BA Patrick Sattler, Lion Steger, Johannes Zirngibl 2024
Tobias Wothge ASQ-GINO: Answering Scoped Queries with the Global INternet Observatory MA Patrick Sattler, Lion Steger, Johannes Zirngibl 2024
Arian Mehmanesh Matrix Federation via the NYM Anonymous Mix Network MA Leander Seidlitz, Lion Steger 2024
Anna Wimbauer LLM-based Attack Graphs Generation for Security Risk Analysis MA Lion Steger, Kilian Glas, Max Helm 2024
Eduard Rupp Improving Efficiency of IPv6 Measurements IDP Lion Steger, Patrick Sattler, Johannes Zirngibl 2024
Aytunc Tunay Privacy-Preserving Mobility Analysis through Zero-Knowledge Methods MA Lion Steger, Kilian Glas 2024
Jenna Gudehege Analysis of IPv6 Hitlist sources BA Lion Steger, Patrick Sattler, Johannes Zirngibl 2024
Kay Schneider Oblivious HTTP: Assessing the State of the Art BA Lion Steger, Marcel Kempf 2024
Guilherme Stark Design of a Benchmarking Framework for MASQUE-Proxies BA Lion Steger, Marcel Kempf 2024
Dan Lionis Design of Tests for Peer-to-Peer Systems IDP Lion Steger, Kilian Glas 2024
Severin Schmidmeier Design of Hacking Challenges on Network Security IDP Lion Steger, Holger Kinkelin 2024
Louis Pydde Efficient x509 Certificate Metadata Store IDP Patrick Sattler, Lion Steger, Christian Dietze 2024
Jonas Fromm Reliable MASQUE with Multipath QUIC MA Marcel Kempf, Lion Steger, Kilian Holzinger 2024
Ben Asam Evaluating Methods for Increasing AS Coverage of IPv6 Hitlists BA Lion Steger, Michael Oberrauch, Tim Betzer 2024
Andreas Cselovsyky Exploring the Physical Locations of iCloud Private Relay Egress Nodes BA Patrick Sattler, Johannes Zirngibl, Lion Steger 2023
Adrian Pesch Building a stealthy SSH and Web Honeypot MA Fabian Franzen, Lion Steger 2023
Franz Bauernschmitt Evalution of Network Categorization Strategies BA Lion Steger, Johannes Zirngibl, Patrick Sattler 2023
Tobias Wothge Egress Node Behavior in iCloud Private Relay IDP Patrick Sattler, Johannes Zirngibl, Lars Wüstrich, Lion Steger 2023
Felix Christ MASQUE-Proxying in User-Space MA Kilian Holzinger, Lion Steger 2023
Martin Fritz State of the Art Assessment of Multipath QUIC MA Kilian Holzinger, Lion Steger, Marcel Kempf 2023
Christoph Probst Rust-based MASQUE-Proxying for Lower OSI-Layer Protocol Traffic MA Lion Steger, Richard von Seck 2022
Christoph Rotte C++-based MASQUE-Proxying for Lower OSI-Layer Protocol Traffic IDP Lion Steger, Richard von Seck 2022
Zhou Lu Structural Analysis of Internet Measurement Anomalies MA Lion Steger, Johannes Zirngibl 2022
Liming Kuang Target Generation for IPv6 Hitlists BA Lion Steger, Johannes Zirngibl 2022
Patrick Großmann Extended Usage Analysis of EDNS Client Subnet BA Patrick Sattler, Johannes Zirngibl, Lion Steger 2022

Publications

2026-09-01 Sebastian Kappes, Lion Steger, Victor Le Pochat, Oliver Gasser, Johannes Zirngibl, Tiago Heinrich, “How Did You Find That Address? An In-Depth Investigation of Domain-Based IPv6 Scanners,” Proc. ACM Netw., vol. 4, no. CoNEXT3, Sep. 2026. [Url] [Pdf] [DOI] [Bib]
2026-07-01 Kilian Holzinger, Lion Steger, Michael Haden, Daniel Petri, Sebastian Gallenmüller, Georg Carle, “Reliable Virtual Private Networks with MASQUE,” in Proceedings of the Applied Networking Research Workshop, Jul. 2026. [Pdf] [Preprint] [DOI] [Bib]
2026-01-01 Lion Steger, Liming Kuang, Johannes Zirngibl, Georg Carle, Oliver Gasser, “Still on Target? An Evaluation of IPv6 Target Generation Algorithms,” IEEE Transactions on Network and Service Management, vol. 23, pp. 6082–6097, 2026. [Pdf] [DOI] [Bib]
2026-01-01 Lion Steger, Christian Junginger, Georg Carle, Johannes Zirngibl, “Punching Bag: A Tool for Testing IPv6 Scans and Target Generation Algorithms,” Proc. ACM Int. Measurement Conference (IMC), 2026. [Pdf] [DOI] [Bib]
2025-01-01 Anna Wimbauer, Luca Muscariello, Jacques Samain, Lion Steger, Kilian Glas, Max Helm, Georg Carle, “ThreatCompute: Leveraging LLMs for Automated Threat Modeling of Cloud-Native Applications,” in Proceedings of the 2025 Cloud Computing Security Workshop, New York, NY, USA, 2025, pp. 14–27. [Url] [Pdf] [DOI] [Bib]
2023-12-01 Markus Sosnowski, Florian Wiedner, Eric Hauser, Lion Steger, Dimitrios Schoinianakis, Sebastian Gallenmüller, Georg Carle, “The Performance of Post-Quantum TLS 1.3,” in Proc. International Conference on emerging Networking EXperiments and Technologies (CoNEXT), Paris, France, Dec. 2023. [Pdf] [Preprint] [Slides] [Homepage] [Recording] [DOI] [Bib]
2023-06-01 Lion Steger, Liming Kuang, Johannes Zirngibl, Georg Carle, Oliver Gasser, “Target Acquired? Evaluating Target Generation Algorithms for IPv6,” in Proceedings of the Network Traffic Measurement and Analysis Conference (TMA), Jun. 2023. Best Paper Award [Pdf] [Bib]
2022-10-01 Johannes Zirngibl, Lion Steger, Patrick Sattler, Oliver Gasser, Georg Carle, “Rusty Clusters? Dusting an IPv6 Research Foundation,” in Proceedings of the 2022 Internet Measurement Conference, Oct. 2022. [Pdf] [Homepage] [Rawdata] [DOI] [Bib]
2022-06-01 Fabian Franzen, Lion Steger, Johannes Zirngibl, Patrick Sattler, “Looking for Honey Once Again: Detecting RDP and SMB Honeypots on the Internet,” in International Workshop on Traffic Measurements for Cybersecurity 2022, Jun. 2022. [Pdf] [Slides] [Sourcecode] [Bib]