M. Sc. Dennis Tatang

  • Research Assistant - Chair Systems Security
Tatang, Dennis


Ruhr-University Bochum
Chair for Systems Security
Universitätsstrasse 150
44780 Bochum / Germany

ID 2/451
(+49)(0)234 / 32 - 27817
dennis.tatang@rub.de PGP key


Dennis Tatang is a Ph.D. student and research assistant at the Chair for Systems Security at the Ruhr University Bochum. He graduated in the subject of IT-Security in January 2016. During his study he worked as a tutor at the Faculty of Electrical Engineering and Information Technology and a working student (IT Security Consultant in Business Security & Privacy) at the TÜV Informationstechnik GmbH in Essen as well.


  • Network Security (Honeypots, NTP, DNS, DDoS, SDN)
  • Big Data Security & Privacy
  • Data Analysis
  • Mobile Security (iOS)


secUnity - „Supporting the security community“ (Fit für Europa - Stärkung der europäischen IT-Sicherheitsforschung in Deutschland)[http://it-security-map.eu/]


Large-scale Analysis of Infrastructure-leaking DNS Servers

Dennis Tatang, Carl Schneider, Thorsten Holz - Conference on Detection of Intrusions and Malware & Vulnerability Assessment (DIMVA), Gothenburg, Sweden, June 2019

A Study of Newly Observed Hostnames and DNS Tunneling in the Wild

Dennis Tatang, Florian Quinkert, Nico Dolecki, Thorsten Holz - Technical Report, arXiv:1902.08454, February 2019

The Unwanted Sharing Economy: An Analysis of Cookie Syncing and User Transparency under GDPR

Tobias Urban, Dennis Tatang, Martin Degeling, Thorsten Holz, Norbert Pohlmann - Technical Report, arXiv:1811.08660, November 2018

Towards Understanding Privacy Implications of Adware and Potentially Unwanted Programs

Tobias Urban, Dennis Tatang, Thorsten Holz, Norbert Pohlmann - European Symposium on Research in Computer Security (ESORICS), Barcelona, Spain, September 2018 - ** Best Paper Award **

Masters of Time: An Overview of the NTP Ecosystem

Teemu Rytilahti, Dennis Tatang, Janosch Köpper, Thorsten Holz - IEEE European Symposium on Security and Privacy (Euro S&P), London, United Kingdom, April 2018

An Empirical Study on Online Price Differentiation

Thomas Hupperich, Dennis Tatang, Nicolai Wilkop, Thorsten Holz - ACM Conference on Data and Applications Security and Privacy (CODASPY 2018) Tempe, AZ, March 2018

An Empirical Study on Price Differentiation Based on System Fingerprints

Thomas Hupperich, Dennis Tatang, Nicolai Wilkop, Thorsten Holz - Technical Report, arXiv:1712.03031, December 2017

SDN-Guard: Protecting SDN Controllers Against SDN Rootkits

Dennis Tatang, Florian Quinkert, Joel Frank, Christian Röpke, Thorsten Holz - IEEE Workshop on Security in NFV-SDN (SN-2017), Berlin, November 2017

Poster: Automated, Context-Sensitive Analysis of iOS Applications

Dennis Tatang - 1st IEEE European Symposium on Security and Privacy (Euro S&P 2016), Saarbrücken, Germany