The scientific objective of the study was to assess the risk associated with crime of foreign nationals in Switzerland in the years 2009–2015 as a threat to public security, including predictions concerning the development of the analysed phenomenon in the future. The practical purpose of the study was to recommend a strategy for the management of the analysed issues. In the research process, the author applied qualitative research methods, including query of the sources and analysis of statistical data, as well as analysis of risk using the FEMA methodology based on data from the years 2009–2015. The research fills a gap in studies on crime of foreign nationals in Switzerland. Article not only constitutes a diagnosis of the current nature and scale of crime of foreign nationals, but it also includes an arithmetic prediction concerning the evolution of the phenomenon in the future, in the context of it being a potential threat to public security in Switzerland.