Currently, he is a visiting assistant professor at UMBC teaching the network security class. He is also the lead of the open source project CrypTool 2 and a member of the steering group of MysteryTwister C3 . His main research interests are modern security protocols for decentralized distributed systems, computerized cryptanalysis of classical ciphers, and cybersecurity awareness. At the University of Kassel, he teaches classes about cryptology and cybersecurity. Additionally, he regularly offers cryptology workshops for students at local schools and gives talks about penetration testing for companies. Email: <*protected email*>