C3-Sched - A cache covert channel robust cloud computing scheduler. - Johann Betz; Dirk Westhoff (ICITST, 2014)

Cache Covert-Channel Mitigation in Cloud Virtualization with XEN's Credit Scheduler. - Maximilian Zeiser; Johann Betz; Dirk Westhoff (GLOBECOM, 2017)

Survey on covert channels in virtual machines and cloud computing. - Johann Betz; Dirk Westhoff; Günter Müller (Trans. Emerg. Telecommun. Technol., 2017)