Availability, Reliability, and Security in Information Systems IFIP WG 8.4, 8.9, TC 5 International Cross-Domain Conference, CD-ARES 2014 and 4th InternationalWorkshop on Security and Cognitive Informatics for Homeland Defense, SeCIHD 2014, Fribourg, Switzerland, September 8-12, 2014. Proceedings Teufel, Stephanie Heftet / 2014 / Engelsk