Why E.T. Can't Phone Home: A Global View on IP-based Geoblocking at VoWiFi. - Gabriel K. Gegenhuber; Philipp É. Frenzel; Edgar R. Weippl (MobiSys, 2024)

Diffie-Hellman Picture Show: Key Exchange Stories from Commercial VoWiFi Deployments. - Gabriel Karl Gegenhuber; Florian Holzbauer; Philipp É. Frenzel; Edgar R. Weippl; Adrian Dabrowski (USENIX Security Symposium, 2024)

Never Gonna Give You Up: Exploring Deprecated NULL Ciphers in Commercial VoWiFi Deployments. - Gabriel Karl Gegenhuber; Philipp É. Frenzel; Edgar R. Weippl (CoRR, 2024)

Careless Whisper: Exploiting Stealthy End-to-End Leakage in Mobile Instant Messengers. - Gabriel K. Gegenhuber; Maximilian Günther; Markus Maier; Aljosha Judmayer; Florian Holzbauer; Philipp É. Frenzel; Johanna Ullrich (CoRR, 2024)

Poster: SIMulator: SIM Tracing on a (Pico-)Budget. - Gabriel K. Gegenhuber; Philipp É. Frenzel; Adrian Dabrowski (WISEC, 2025)

Prekey Pogo: Investigating Security and Privacy Issues in WhatsApp's Handshake Mechanism. - Gabriel Karl Gegenhuber; Philipp É. Frenzel; Maximilian Günther; Aljosha Judmayer (WOOT, 2025)

SIMulator: SIM Tracing on a (Pico-)Budget. - Gabriel K. Gegenhuber; Philipp É. Frenzel; Adrian Dabrowski (CoRR, 2025)