Personal information

NameTim Grube
PositionDoctoral Researcher
AffiliationB.2 Privacy Protection via Hybrid Social Networks



Phone+49 6151 16-23205
AddressTU Darmstadt
Hochschulstraße 10
64289 Darmstadt
ThesisEmpowering User in OSN-based Communications

Goals, Vision & Short Biography

Tim is a doctoral researcher, trying to make the world a better one. While pursuing this goal, he is working on the balance of social networks and their users’ privacy. Tim tries to convince data sponges on the topic data reduction and is working to provide alternatives in privacy-aware data collection. One core component of Tim's research is the analysis and development of efficient and anonymous communication techniques.His research focus is on anonymous communication in distributed systems and graph theory.

Besides working in the Doctoral College, Tim is participating in the Software Campus 2015 with his project KomBi and is part of the Smart Protection in Networks (SPIN) research group of the Telecooperation Lab (TK). Tim received his degree (M.Sc.) from the TU Darmstadt in 2014, specialised in distributed systems, networks and software engineering.

Research Interests

  • Distributed Communication

    • Privacy
    • Efficiency
    • Topologies for privacy preserving and efficient communication

  • Dynamic Systems

    • Graphs
    • Graph Theory
    • P2P Systems
    • Visualisation of Dynamic Systems

Theses & Teaching

Supervised Theses (ongoing and finished)

  • Advanced Ants to establish Anonymous Communication Overlays
  • Measuring a User's Privacy
  • Source Protection in P2P-based Pub/Sub-Networks
  • What is the Influence of Topologies on Achievable Privacy?
  • Reducing Data Complexity while Maintaining its Meaning
  • Survey and Comparison: Complexity Reduction in Graphs to support the Visualization of Big Data
  • Framework for Visualization of Massive Data
  • Visualization of Large Dynamic Networks
  • Analysis of a Street Network with Dynamic Graphs
  • Connecting multiple uMundo Workspaces
  • Evaluation of Codecs for HD Video Streaming in Wireless Home Networks

 Please contact me if you are interested in writing a Bachelor or Master thesis. Please provide a short topic proposal and express your motivation for this topic in a few sentences. I am regularly supervising a theses 


Winter Term 2014/15

  • TK Seminar

    • Attacks on Anonymous Communication
    • Measures of Anonymity in Communication Networks
    • Multi-Layer Resilience in Computer Networks

Summer Term 2015

  • TK Seminar

    • Complexity Reduction in Graphs
    • Understanding Freenet
    • Using Monotonicity to Predict Sampling Steps

Winter Term 2016/27

  • TK1 - Exercise 
  • TK Seminar

    • Differential Privacy in Practice
    • A Survey of Trends in Privacy Measurements


Additional Attributes


Complexity Reduction in Graphs: A User Centric Approach to Graph Exploration

Tim Grube, Florian Volk, Max Mühlhäuser, Suhas Bhairav, Vinay Sachidananda, Yuval Elovici
In: to appear at: 10th International Conference on Advances in Human-oriented and Personalized Mechanisms, Technologies, and Services, October 2017

Cover Traffic: A Trade of Anonymity and Efficiency

Tim Grube, Markus Thummerer, Jörg Daubert, Max Mühlhäuser
In: to appear in: 13th International Workshop on Security and Trust Management in conjunction with the 22th European Symposium On Research in Computer Security (ESORICS 2017), September 2017

SensorBuster: On Identifying Sensor Nodes in P2P Botnets

Shankar Karuppayah, Leon Böck, Tim Grube, Selvakumar Manickam, Max Mühlhäuser, Mathias Fischer
In: International Conference on Availability, Reliability and Security (ARES), September 2017

Ant Colonies for Efficient and Anonymous Group Communication Systems

Tim Grube, Sascha Hauke, Jörg Daubert, Max Mühlhäuser
In: 2017 International Conference on Networked Systems (NetSys), p. 1-8, March 2017

Ant Colony Optimisation - A Solution to Efficient Anonymous Group Communication?

Tim Grube, Sascha Hauke, Jörg Daubert, Max Mühlhäuser
In: (to appear) Proceedings of the 14th Annual IEEE Consumer Communications & Networking Conference (CCNC), p. 1-4, January 2017

On the anonymity of privacy-preserving many-to-many communication in the presence of node churn and attacks

Jörg Daubert, Tim Grube, Mathias Fischer, Max Mühlhäuser
In: Proceedings of the 13th Annual IEEE Consumer Communications & Networking Conference (CCNC), p. 738-744, January 2016

A Formal Holon Model for Operating Future Energy Grids During Blackouts

Siavash Valipour, Florian Volk, Tim Grube, Leon Böck, Max Mühlhäuser
In: 5th International Conference on Smart Cities and Green ICT Systems (SMARTGREENS), Vol. 1, p. 146-153, 2016

AnonPubSub: Anonymous Publish-Subscribe Overlays

Jörg Daubert, Mathias Fischer, Tim Grube, Stefan Schiffner, Panayotis Kikiras, Max Mühlhäuser
In: Elsevier Computer Communications {ComCom}}, Vol. 76, p. 42-53, 2016

Monotone Sampling of Networks

Tim Grube, Benjamin Schiller, Thorsten Strufe
In: Proceedings of the 2nd International Workshop on Dynamic Networks and Knowledge Discovery, Vol. 1229, p. 37-48, September 2014

For more information please contact



Prof. Dr. Max Mühlhäuser

Technische Universität Darmstadt

Computer Science

Hochschulstr. 10

64289 Darmstadt

Funding by

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