The E-Mail Honeypot System Concept, Implementation and Field Test Results. - Erwin P. Rathgeb; Dirk Hoffstadt (ICDS, 2008)

G-Lab Deep: Cross-Layer Composition and Security for a Flexible Future Internet. - Carsten Schmoll; Christian Henke; Dirk Hoffstadt; Abbas Ali Siddiqui; Thomas Magedanz; Paul Müller 001; Erwin P. Rathgeb; Tanja Zseby (TRIDENTCOM, 2010)

SIP Trace Recorder: Monitor and analysis tool for threats in SIP-based networks. - Dirk Hoffstadt; Stefan Monhof; Erwin P. Rathgeb (IWCMC, 2012)

Analysis of SIP-Based Threats Using a VoIP Honeynet System. - Dirk Hoffstadt; Alexander Marold; Erwin P. Rathgeb (TrustCom, 2012)

Improved detection and correlation of multi-stage VoIP attack patterns by using a Dynamic Honeynet System. - Dirk Hoffstadt; Niels Wolff; Stefan Monhof; Erwin P. Rathgeb (ICC, 2013)

Development and Analysis of Generic VoIP Attack Sequences Based on Analysis of Real Attack Traffic. - Adnan Aziz; Dirk Hoffstadt; Sebastian Ganz; Erwin P. Rathgeb (TrustCom/ISPA/IUCC, 2013)

A comprehensive framework for detecting and preventing VoIP fraud and misuse. - Dirk Hoffstadt; Erwin P. Rathgeb; Matthias Liebig; Ralf Meister; Yacine Rebahi; Tran Quang Thanh (ICNC, 2014)

A distributed infrastructure to analyse SIP attacks in the Internet. - Adnan Aziz; Dirk Hoffstadt; Erwin P. Rathgeb; Thomas Dreibholz (Networking, 2014)

Global VoIP security threats - large scale validation based on independent honeynets. - Markus Gruber; Dirk Hoffstadt; Adnan Aziz; Florian Fankhauser; Christian Schanes; Erwin P. Rathgeb; Thomas Grechenig (Networking, 2015)

Erkennung und Analyse von Missbrauch in SIP-basierten Netzwerken. - Dirk Hoffstadt (2016)

Classification of SIP Attack Variants with a Hybrid Self-enforcing Network. - Waldemar Hartwig; Christina Klüver; Adnan Aziz; Dirk Hoffstadt (ICANN (2), 2018)