Systematic Security Analyses of QUIC

Cryptographic protocols play a crucial role in securing the Internet. They are used, for example, to protect connections to websites, emails, and establishing secure messaging applications. To evaluate and strengthen cryptographic protocol implementations, research in the area of applied cryptographic attacks has been established. One prominent ...

Duration: 01/2026 - 12/2028

Towards Large-Scale Analyses of Censorship Circumvention Techniques for QUIC and DTLS

Various countries employ Internet censorship to restrict the network access of their residents. A common tactic for filtering web traffic is to block access to specific websites based on their domain names. For example, the Great Firewall of China (GFW), arguably the most sophisticated censor, filters widely used websites like wikipedia.org and ...

Duration: 01/2026 - 12/2028

Cybersecurity Certification and Assessment Tools

Cybersecurity regulations are becoming increasingly complex. The Cybersecurity Act (CSA) introduces an EU-wide cybersecurity

certification framework, while the Cyber Resilience Act (CRA) sets mandatory cybersecurity requirements for products with digital

components. A reliable and flexible set of tools is essential for continuous security ...

Duration: 01/2026 - 12/2028

KoTeBi: Combinatorial testing of TLS libraries at all levels

The Transport Layer Security (TLS) protocol is one of the most important security standards on computers and smartphones today. It is used to secure communication over the internet and is used, for example, when streaming videos. However, human errors in the implementation of TLS and other encryption protocols repeatedly lead to security gaps. ...

Duration: 07/2022 - 06/2025

Postgraduate research training group NERD (North Rhine-Westphalian Experts on Research in Digitalization)

The postgraduate research training group NERD (North Rhine-Westphalian Experts on Research in Digitalization) is funding researchers in IT-security at universities and universities of applied sciences in North Rhine-Westphalia to promote research in the area of Human Centered Systems Security. Young researchers from different locations and ...

Duration: 03/2022 - 08/2025