Under CopyrightKlerx, JoachimJoachimKlerxDönitz, EwaEwaDönitzGrigoleit, SonjaSonjaGrigoleitCarlsen, HenrikHenrikCarlsen2022-03-074.3.20142014https://publica.fraunhofer.de/handle/publica/29679810.24406/publica-fhg-296798ETTIS: European security Trends and Threats In Societyen303620600D4.2 ETTIS methodology notereport