Reference Security Management Architecture - Guiding governmental and military Inter-Cloud initiatives. - Michael Kretzschmar; Marcus Knüpfer (MilCIS, 2011)

CAKE: Hybrides Gruppen-Schlüssel-Management Verfahren. - Peter Hillmann; Marcus Knüpfer; Gabi Dreo Rodosek (DFN-Forum Kommunikationstechnologien, 2017)

Selective Deletion in a Blockchain. - Peter Hillmann; Marcus Knüpfer; Erik Heiland; Andreas Karcher (ICDCS, 2020)

Cyber Taxi: A Taxonomy of Interactive Cyber Training and Education Systems. - Marcus Knüpfer; Tore Bierwirth; Lars Stiemert; Matthias Schopp; Sebastian Seeber; Daniela Pöhn; Peter Hillmann (MSTEC, 2020)

CAKE: An Efficient Group Key Management for Dynamic Groups. - Peter Hillmann; Marcus Knüpfer; Tobias Guggemos; Klement Streit (CoRR, 2020)