As part of the Alliance for Cyber Security, the Federal Office for Information Security (BSI) conducted a survey on the impact of ransomware on the German economy.

The results of the April 2016 survey can be found in this document:

http- > Ergebnisse der Umfrage zur Betroffenheit durch Ransomware 2016-04  (PDF, 440KB, Datei ist nicht barrierefrei)