| 2018 | ICANN | Classification of SIP Attack Variants with a Hybrid Self-enforcing Network. | Waldemar Hartwig, Christina Klver, Adnan Aziz, Dirk Hoffstadt |
| 2015 | Networking | 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 |
| 2014 | Networking | A distributed infrastructure to analyse SIP attacks in the Internet. | Adnan Aziz, Dirk Hoffstadt, Erwin P. Rathgeb, Thomas Dreibholz |
| 2013 | TrustCom | Development and Analysis of Generic VoIP Attack Sequences Based on Analysis of Real Attack Traffic. | Adnan Aziz, Dirk Hoffstadt, Sebastian Ganz, Erwin P. Rathgeb |
| 2012 | IWCMC | SIP Trace Recorder: Monitor and analysis tool for threats in SIP-based networks. | Dirk Hoffstadt, Stefan Monhof, Erwin P. Rathgeb |
| 2012 | TrustCom | Analysis of SIP-Based Threats Using a VoIP Honeynet System. | Dirk Hoffstadt, Alexander Marold, Erwin P. Rathgeb |
| 2010 | TridentCom | 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 Mller, Erwin P. Rathgeb, Tanja Zseby |
| 2008 | ICDS | The E-Mail Honeypot System Concept, Implementation and Field Test Results. | Erwin P. Rathgeb, Dirk Hoffstadt |