Publications

5G SUCI-Catchers: Still catching them all?

2021 - Merlin Chlosta, David Rupprecht, Christina Pöpper, Thorsten Holz

ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec), Virtual, June 2021 [PDF]

On the Challenges of Automata Reconstruction in LTE Networks

2021 - Merlin Chlosta, David Rupprecht, Thorsten Holz

ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec), Virtual, June 2021 [PDF]

Cryptanalysis of the GPRS Encryption Algorithms GEA-1 and GEA-2

2021 - Christof Beierle, Patrick Derbez, Gregor Leander, Getan Leurent, Havard Raddum, Yann Rotella, David Rupprecht, Lukas Stennes

[Paper]

Apps Against the Spread: Privacy Implications and User Acceptance of COVID-19-Related Smartphone Apps on Three Continents

2021 - Christine Utz, Steffen Becker, Theodor Schnitzler, Florian Farke, Franziska Herbert, Leonie Schaewitz, Martin Degeling, Markus Dürmuth

ACM CHI Conference on Human Factors in Computing Systems 2021 [arXiv Preprint] [ACM Digital Library] [HTML Version]

We Built This Circuit: Exploring Threat Vectors in Circuit Establishment in Tor

2021 - Theodor Schnitzler, Christina Pöpper, Markus Dürmuth, Katharina Kohls

IEEE European Symposium on Security and Privacy (EuroS&P '21). Virtual Conference, September 6-10, 2021 [Paper]

SoK: Managing Longitudinal Privacy of Publicly Shared Personal Online Data

2021 - Theodor Schnitzler, Shujaat Mirza, Markus Dürmuth, Christina Pöpper

Proceedings of Privacy Enhancing Technologies 2021, Volume 1, pp. 229-249, November 9, 2020 [Paper (DOI)] [Video] [Paper] [Slides]

Securing Phone as a Key against Relay Attacks

2020 - Paul Staat, Kai Jansen, Christian Zenger, Chris­tof Paar

18th escar Europe: The World's Leading Automotive Cyber Security Conference, page 47-58, 2020. [PDF]

Call Me Maybe: Eavesdropping Encrypted LTE Calls With ReVoLTE

2020 - David Rupprecht, Katharina Kohls, Thorsten Holz, Christina Pöpper

USENIX Security Symposium, Boston, MA, USA, August 2020 [Website] [PDF]

Akzeptanz von Corona-Apps in Deutschland vor der Einführung der Corona-Warn-App

2020 - Steffen Becker, Martin Degeling, Markus Dürmuth, Florian Farke, Leonie Schaewitz, Theodor Schnitzler, Christine Utz

Vorabveröffentlichung (Preprint), Juni 2020 [PDF (Deutsch)]

“You still use the password after all” – Exploring FIDO2 Security Keys in a Small Company

2020 - Florian Farke, Lennart Lorenz, Theodor Schnitzler, Philipp Markert, Markus Dürmuth

Symposium on Usable Privacy and Security (SOUPS '20). Virtual Conference, August 7-11, 2020 [Video] [PDF] [Slides]

IMP4GT: IMPersonation Attacks in 4G NeTworks

2020 - David Rupprecht, Katharina Kohls, Thorsten Holz, Christina Pöpper

Network and Distributed System Security Symposium (NDSS), San Diego, California, USA, February 2020 [PDF]

Exploring User Perceptions of Deletion in Mobile Instant Messaging Applications

2020 - Theodor Schnitzler, Christine Utz, Florian Farke, Christina Pöpper, Markus Dürmuth

Journal of Cybersecurity, Volume 6, Issue 1, January 30, 2020 [DOI]

Towards Contractual Agreements for Revocation of Online Data

2019 - Theodor Schnitzler, Markus Dürmuth, Christina Pöpper

IFIP International Conference on ICT Systems Security and Privacy Protection (IFIP SEC '19), Lisbon, Portugal, June 25-27, 2019 [PDF]

Breaking LTE on Layer Two

2019 - David Rupprecht, Katharina Kohls, Thorsten Holz, Christina Pöpper

IEEE Symposium on Security & Privacy (Oakland), May 2019 [Website] [PDF]

POSTER: Application-Layer Routing Attacks on Tor

2019 - Katharina Kohls, Christina Pöpper

IEEE Symposium on Security & Privacy (Oakland), May 2019 [Proposal] [Poster]

Lost Traffic Encryption: Fingerprinting LTE/4G Traffic on Layer Two

2019 - Katharina Kohls, David Rupprecht, Thorsten Holz, Christina Pöpper

Conference on Security and Privacy in Wireless and Mobile Networks (WiSec ’19), May 15–17, 2019, Miami, FL, USA, ACM [PDF]

LTE Security Disabled — Misconfiguration in Commercial Networks

2019 - Merlin Chlosta, David Rupprecht, Thorsten Holz, Christina Pöpper

Conference on Security and Privacy in Wireless and Mobile Networks (WiSec ’19), May 15–17, 2019, Miami, FL, USA, ACM [PDF]

Adversarial Attacks Against Automatic Speech Recognition Systems via Psychoacoustic Hiding

2019 - Lea Schönherr, Katharina Kohls, Steffen Zeiler, Thorsten Holz, Do­ro­thea Kolossa

Network and Distributed System Security Symposium (NDSS 2019), San Diego, California, USA, February 2019 [Demo] [PDF]

On the Challenges of Geographical Avoidance for Tor

2019 - Katharina Kohls, Kai Jansen, David Rupprecht, Thorsten Holz, Christina Pöpper

Network and Distributed System Security Symposium (NDSS 2019), San Diego, California, USA, February 2019 [PDF] [Slides]

POSTER: User Perception and Expectations on Deleting Instant Messages -or- "What Happens If I Press This Button?"

2018 - Theodor Schnitzler, Christine Utz, Florian Farke, Christina Pöpper, Markus Dürmuth

USENIX Symposium on Usable Privacy and Security 2018 (SOUPS '18). Baltimore, MD, USA, August 12-14, 2018
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