- Traffic Analysis and Modelling in Systems with Highly Dynamic User-Generated-Content
- Search and Replication in Highly Distributed and Dynamic P2P Systems
- Churn-Resistant P2P Architectures
- User Behaviour in Social Networks
- Tracking and Tracing Systems (see Fair Tracing Project)
- (Attacks on) Wireless Sensor Networks
- Artificial Immune Systems, Danger Theory
- Intrusion Detection Systems
- Routing in Sensor Networks (Directed Diffusion)
- Routing in P2P Systems
- Routing Security
- Public Key Schemes
