[2] BSI, “IT-Sicherheitsmanagement und IT-Grundschutz, BSI-Standards zur IT-Sicherheit,” K?ln, 2005. [3] C. Pelnekar, “Planning for and Implementing ISO 27001,” ISACA Journal, Vol. 4, No. 4, 2011, pp. 1-8. [4] ISO/Nielsen, “The ISO Survey of Certifications,” International...