Clavister is a Swedish company specialized in network security software, listed on NASDAQ First North. According to a report from 451 Research, the Edward Snowden NSA leaks and consequent loss of trust with US-based products has helped with the international expansion of Clavister. Clavister has a global presence with customers such as the Japanese NTT-BP and the German Marbach Group. Clavister has partnerships with for example the Japanese Canon-ITS, and in the area of virtualized network security with Nokia Networks and Artesyn.