6 Publications
2026 | Conference Paper | LibreCat-ID: 66726 | 
Technical Analysis of the Geedge Networks Firewall Source Code Leak
A. Ablove, J. Walker, B. Wolin, N. Niere, F. Graf Lange, A. Ortwein, A. Huremagic, R. Priyanka, A. Zohaib, J. Sheffey, N. Heitmann, J.A. Halderman, J. Somorovsky, A. Houmansadr, R. Ensafi, M. Wu, E. Wustrow, in: 2026.
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A. Ablove, J. Walker, B. Wolin, N. Niere, F. Graf Lange, A. Ortwein, A. Huremagic, R. Priyanka, A. Zohaib, J. Sheffey, N. Heitmann, J.A. Halderman, J. Somorovsky, A. Houmansadr, R. Ensafi, M. Wu, E. Wustrow, in: 2026.
2026 | Conference Paper | LibreCat-ID: 66268 |
On Russia’s Early Introduction of QUIC SNI Censorship
N. Heitmann, N. Niere, F. Graf Lange, J. Somorovsky, in: 2026.
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N. Heitmann, N. Niere, F. Graf Lange, J. Somorovsky, in: 2026.
2025 | Conference Paper | LibreCat-ID: 58801 |
I(ra)nconsistencies: Novel Insights into Iran’s Censorship
F. Lange, N. Niere, J. von Niessen, D. Suermann, N. Heitmann, J. Somorovsky, in: Proceedings on Privacy Enhancing Technologies, 2025.
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F. Lange, N. Niere, J. von Niessen, D. Suermann, N. Heitmann, J. Somorovsky, in: Proceedings on Privacy Enhancing Technologies, 2025.
2025 | Conference Paper | LibreCat-ID: 60503 |
Encrypted Client Hello (ECH) in Censorship Circumvention
N. Niere, F. Lange, N. Heitmann, J. Somorovsky, in: 2025.
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N. Niere, F. Lange, N. Heitmann, J. Somorovsky, in: 2025.
2024 | Conference Paper | LibreCat-ID: 54437
Security Analysis of BigBlueButton and eduMEET
N. Heitmann, H. Siewert, S. Moog, J. Somorovsky, in: Applied Cryptography and Network Security, Springer Nature Switzerland, Cham, 2024.
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N. Heitmann, H. Siewert, S. Moog, J. Somorovsky, in: Applied Cryptography and Network Security, Springer Nature Switzerland, Cham, 2024.
2024 | Conference Paper | LibreCat-ID: 57816 |
TLS-Attacker: A Dynamic Framework for Analyzing TLS Implementations
F. Bäumer, M. Brinkmann, N. Erinola, S.N. Hebrok, N. Heitmann, F. Lange, M. Maehren, R. Merget, N. Niere, M.M. Radoy, C. Schmidt, J. Schwenk, J. Somorovsky, in: Proceedings of Cybersecurity Artifacts Competition and Impact Award (ACSAC ’24), 2024.
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F. Bäumer, M. Brinkmann, N. Erinola, S.N. Hebrok, N. Heitmann, F. Lange, M. Maehren, R. Merget, N. Niere, M.M. Radoy, C. Schmidt, J. Schwenk, J. Somorovsky, in: Proceedings of Cybersecurity Artifacts Competition and Impact Award (ACSAC ’24), 2024.
6 Publications
2026 | Conference Paper | LibreCat-ID: 66726 |
Technical Analysis of the Geedge Networks Firewall Source Code Leak
A. Ablove, J. Walker, B. Wolin, N. Niere, F. Graf Lange, A. Ortwein, A. Huremagic, R. Priyanka, A. Zohaib, J. Sheffey, N. Heitmann, J.A. Halderman, J. Somorovsky, A. Houmansadr, R. Ensafi, M. Wu, E. Wustrow, in: 2026.
LibreCat
| Files available
| Download (ext.)
A. Ablove, J. Walker, B. Wolin, N. Niere, F. Graf Lange, A. Ortwein, A. Huremagic, R. Priyanka, A. Zohaib, J. Sheffey, N. Heitmann, J.A. Halderman, J. Somorovsky, A. Houmansadr, R. Ensafi, M. Wu, E. Wustrow, in: 2026.
2026 | Conference Paper | LibreCat-ID: 66268 |
On Russia’s Early Introduction of QUIC SNI Censorship
N. Heitmann, N. Niere, F. Graf Lange, J. Somorovsky, in: 2026.
LibreCat
| Files available
| Download (ext.)
N. Heitmann, N. Niere, F. Graf Lange, J. Somorovsky, in: 2026.
2025 | Conference Paper | LibreCat-ID: 58801 |
I(ra)nconsistencies: Novel Insights into Iran’s Censorship
F. Lange, N. Niere, J. von Niessen, D. Suermann, N. Heitmann, J. Somorovsky, in: Proceedings on Privacy Enhancing Technologies, 2025.
LibreCat
| Files available
| Download (ext.)
F. Lange, N. Niere, J. von Niessen, D. Suermann, N. Heitmann, J. Somorovsky, in: Proceedings on Privacy Enhancing Technologies, 2025.
2025 | Conference Paper | LibreCat-ID: 60503 |
Encrypted Client Hello (ECH) in Censorship Circumvention
N. Niere, F. Lange, N. Heitmann, J. Somorovsky, in: 2025.
LibreCat
| Files available
| Download (ext.)
N. Niere, F. Lange, N. Heitmann, J. Somorovsky, in: 2025.
2024 | Conference Paper | LibreCat-ID: 54437
Security Analysis of BigBlueButton and eduMEET
N. Heitmann, H. Siewert, S. Moog, J. Somorovsky, in: Applied Cryptography and Network Security, Springer Nature Switzerland, Cham, 2024.
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| DOI
| Download (ext.)
N. Heitmann, H. Siewert, S. Moog, J. Somorovsky, in: Applied Cryptography and Network Security, Springer Nature Switzerland, Cham, 2024.
2024 | Conference Paper | LibreCat-ID: 57816 |
TLS-Attacker: A Dynamic Framework for Analyzing TLS Implementations
F. Bäumer, M. Brinkmann, N. Erinola, S.N. Hebrok, N. Heitmann, F. Lange, M. Maehren, R. Merget, N. Niere, M.M. Radoy, C. Schmidt, J. Schwenk, J. Somorovsky, in: Proceedings of Cybersecurity Artifacts Competition and Impact Award (ACSAC ’24), 2024.
LibreCat
| Files available
| Download (ext.)
F. Bäumer, M. Brinkmann, N. Erinola, S.N. Hebrok, N. Heitmann, F. Lange, M. Maehren, R. Merget, N. Niere, M.M. Radoy, C. Schmidt, J. Schwenk, J. Somorovsky, in: Proceedings of Cybersecurity Artifacts Competition and Impact Award (ACSAC ’24), 2024.