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22 Publications
2025 | Conference Paper | LibreCat-ID: 58801 | 
Lange, Felix, Niklas Niere, Jonathan von Niessen, Dennis Suermann, Nico Heitmann, and Juraj Somorovsky. “I(Ra)Nconsistencies: Novel Insights into Iran’s Censorship.” In Proceedings on Privacy Enhancing Technologies, 2025.
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2025 | Conference Paper | LibreCat-ID: 59824 |
Niere, Niklas, Felix Lange, Robert Merget, and Juraj Somorovsky. “Transport Layer Obscurity: Circumventing SNI Censorship on the TLS-Layer.” In 2025 IEEE Symposium on Security and Privacy (SP), 2025. https://doi.org/10.1109/SP61157.2025.00151.
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2025 | Conference Paper | LibreCat-ID: 60970 |
Hebrok, Sven Niclas, Tim Leonhard Storm, Felix Matthias Cramer, Maximilian Manfred Radoy, and Juraj Somorovsky. “STEK Sharing Is Not Caring: Bypassing TLS Authentication in Web Servers Using Session Tickets.” In 34th USENIX Security Symposium, 2025.
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2025 | Conference Paper | LibreCat-ID: 61102
Hebrok, Sven, Tim Leonhard Storm, Felix Matthias Cramer, Maximilian Radoy, and Juraj Somorovsky. “STEK Sharing Is Not Caring: Bypassing TLS Authentication in Web Servers Using Session Tickets.” In 34th USENIX Security Symposium (USENIX Security 25), 8017–8034, 2025.
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2025 | Conference Paper | LibreCat-ID: 58657 |
Rossel, Jost, Vladislav Mladenov, Nico Wördenweber, and Juraj Somorovsky. “Security Implications of Malicious G-Codes in 3D Printing.” In Proceedings of the 34th USENIX Security Symposium, 1867–85, 2025.
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2025 | Conference Paper | LibreCat-ID: 65466
Bäumer, Fabian, Marcus Brinkmann, Maximilian Radoy, Jörg Schwenk, and Juraj Somorovsky. “On the Security of SSH Client Signatures.” In Proceedings of the 2025 ACM SIGSAC Conference on Computer and Communications Security. ACM, 2025. https://doi.org/10.1145/3719027.3765079.
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2024 | Conference Paper | LibreCat-ID: 54437
Heitmann, Nico, Hendrik Siewert, Sven Moog, and Juraj Somorovsky. “Security Analysis of BigBlueButton and EduMEET.” In Applied Cryptography and Network Security. Cham: Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-54776-8_8.
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2024 | Conference Paper | LibreCat-ID: 55137 |
Müller, Philipp, Niklas Niere, Felix Lange, and Juraj Somorovsky. “Turning Attacks into Advantages: Evading HTTP Censorship with HTTP Request Smuggling.” In Proceedings on Privacy Enhancing Technologies. Bristol, 2024.
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2024 | Book Chapter | LibreCat-ID: 56079
Radoy, Maximilian Manfred, Sven Niclas Hebrok, and Juraj Somorovsky. “In Search of Partitioning Oracle Attacks Against TLS Session Tickets.” In Lecture Notes in Computer Science. Cham: Springer Nature Switzerland, 2024. https://doi.org/10.1007/978-3-031-70896-1_16.
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2024 | Conference Paper | LibreCat-ID: 57816
Bäumer, Fabian, Marcus Brinkmann, Nurullah Erinola, Sven Niclas Hebrok, Nico Heitmann, Felix Lange, Marcel Maehren, et al. “TLS-Attacker: A Dynamic Framework for Analyzing TLS Implementations.” In Proceedings of Cybersecurity Artifacts Competition and Impact Award (ACSAC ’24), 2024.
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2023 | Conference Paper | LibreCat-ID: 49654
Niere, Niklas, Sven Niclas Hebrok, Juraj Somorovsky, and Robert Merget. “Poster: Circumventing the GFW with TLS Record Fragmentation.” In Proceedings of the 2023 ACM SIGSAC Conference on Computer and Communications Security. ACM, 2023. https://doi.org/10.1145/3576915.3624372.
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2023 | Conference Paper | LibreCat-ID: 43060 |
Hebrok, Sven Niclas, Simon Nachtigall, Marcel Maehren, Nurullah Erinola, Robert Merget, Juraj Somorovsky, and Jörg Schwenk. “We Really Need to Talk About Session Tickets: A Large-Scale Analysis of Cryptographic Dangers with TLS Session Tickets.” In 32nd USENIX Security Symposium, 2023.
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2023 | Conference Paper | LibreCat-ID: 46500
Pottebaum, Jens, Jost Rossel, Juraj Somorovsky, Yasemin Acar, René Fahr, Patricia Arias Cabarcos, Eric Bodden, and Iris Gräßler. “Re-Envisioning Industrial Control Systems Security by Considering Human Factors as a Core Element of Defense-in-Depth.” In 2023 IEEE European Symposium on Security and Privacy Workshops (EuroS&PW), 379–85. IEEE, 2023. https://doi.org/10.1109/eurospw59978.2023.00048.
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2023 | Conference Paper | LibreCat-ID: 48012 |
Rossel, Jost, Vladislav Mladenov, and Juraj Somorovsky. “Security Analysis of the 3MF Data Format.” In Proceedings of the 26th International Symposium on Research in Attacks, Intrusions and Defenses. ACM, 2023. https://doi.org/10.1145/3607199.3607216.
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2022 | Conference Paper | LibreCat-ID: 32572
Mayer, Peter, Damian Poddebniak, Konstantin Fischer, Marcus Brinkmann, Juraj Somorovsky, Angela Sasse, Sebastian Schinzel, and Melanie Volkamer. “‘I Don’ Know Why I Check This...’ - Investigating Expert Users’ Strategies to Detect Email Signature Spoofing Attacks.” In Eighteenth Symposium on Usable Privacy and Security (SOUPS 2022), 77–96. Boston, MA: USENIX Association, 2022.
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2022 | Conference Paper | LibreCat-ID: 32573
Maehren, Marcel, Philipp Nieting, Sven Niclas Hebrok, Robert Merget, Juraj Somorovsky, and Jörg Schwenk. “TLS-Anvil: Adapting Combinatorial Testing for TLS Libraries.” In 31st USENIX Security Symposium (USENIX Security 22). Boston, MA: USENIX Association, 2022.
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2022 | Conference Paper | LibreCat-ID: 54435
Siewert, Hendrik, Martin Kretschmer, Marcus Niemietz, and Juraj Somorovsky. “On the Security of Parsing Security-Relevant HTTP Headers in Modern Browsers.” In 2022 IEEE Security and Privacy Workshops (SPW). IEEE, 2022. https://doi.org/10.1109/spw54247.2022.9833880.
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2021 | Conference Paper | LibreCat-ID: 25331
Brinkmann, Marcus, Christian Dresen, Robert Merget, Damian Poddebniak, Jens Müller, Juraj Somorovsky, Jörg Schwenk, and Sebastian Schinzel. “ALPACA: Application Layer Protocol Confusion - Analyzing and Mitigating Cracks in TLS Authentication.” In 30th {USENIX} Security Symposium ({USENIX} Security 21), 4293–4310. {USENIX} Association, 2021.
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2021 | Conference Paper | LibreCat-ID: 25332
Merget, Robert, Marcus Brinkmann, Nimrod Aviram, Juraj Somorovsky, Johannes Mittmann, and Jörg Schwenk. “Raccoon Attack: Finding and Exploiting Most-Significant-Bit-Oracles in TLS-DH(E).” In 30th {USENIX} Security Symposium ({USENIX} Security 21), 213–30. {USENIX} Association, 2021.
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2021 | Journal Article | LibreCat-ID: 24143
Drees, Jan Peter, Pritha Gupta, Eyke Hüllermeier, Tibor Jager, Alexander Konze, Claudia Priesterjahn, Arunselvan Ramaswamy, and Juraj Somorovsky. “Automated Detection of Side Channels in Cryptographic Protocols: DROWN the ROBOTs!” 14th ACM Workshop on Artificial Intelligence and Security, 2021.
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