The behavior of agents to ensure financial security on the basis of game theory was analyzed, the winning strategy taking into account risk and uncertainty was determined. Using Data Mining the useful functions of this technology were identified to ensure financial security: suspicious transactions determination, credit risks analysis, client account reliability analysis, financial indicators predicting and risks control. A comparison was made of the assessment of the effectiveness of various data mining algorithms on the nature of financial transactions and decision-making procedures in the financial security system. It was proved that the development of information technology has created a whole range of vulnerabilities in the financial system, in particular, has transformed the form of money in modern conditions -the emergence of a cryptocurrency. The influence of the formation and development of cryptocurrency on financial security at all levels of the economy: micro and macro was analyzed.

The paper focuses on the study of hybrid threats in the civil security sector in Ukraine. It is substantiated, based on the factor analysis, the hypothesis of existence of hybrid threats related to the spread of certain types of crime in Ukraine, in particular the activities of illegal armed groups. An empirical study based on the expert survey's results in the system of bodies of the Ministry of Internal Affairs of Ukraine on identification and assessment of hybrid threats in the civil security sector, as well as quantitative assessment of law enforcement agencies' ability to counter these threats. Emphasis is placed on estimating variations in vulnerability of the law enforcement system. It is assessed, based on the linear regression model, the risk assessment of spreading of the hybrid threat "activity of illegal armed groups"; priority risk reduction factors were identified and an appropriate forecast model was formed.

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Ïèòàííÿ ïðîòè䳿 ã³áðèäíèì çàãðîçàì ó ñåêòîð³ öèâ³ëüíî¿ áåçïåêè çàéìຠïðîâ³äíå ì³ñöå ó ä³ÿëüíîñò³ îðãàí³â ñèñòåìè ÌÂÑ. Ïðîòå âàaeëèâèì ùîäî àäåê-âàòíîñò³ òàêî¿ ä³ÿëüíîñò³ º äîñòàòíüî îá'ºêòèâíå ðîçóì³ííÿ ðåàë³çàö³¿ äåðaeàâíî¿ ïîë³òèêè, ñïðÿìîâàíî¿ íà ïðîòèä³þ ã³áðèäíèì çàãðîçàì ó çàçíà÷åí³é ñôåð³.

The article investigates the problems of the spread of complex socioeconomic phenomenon-money laundering in Ukraine. The attention is focused on the results of the fifth round of mutual evaluation of Ukraine in the sphere of AML by the Committee of the Council of Europe MONEYVAL and conclusions on the lack of effectiveness of the national mechanism of combating money laundering in Ukraine. The necessity of monitoring and conducting appropriate macroeconomic and criminological analysis on the basis of scientific knowledge of the phenomenon of «money laundering», the factors of its manifestation and spread in Ukraine. As a methodology for the study of money laundering in Ukraine as a socioeconomic phenomenon, the application of phenomenology based on the combination of the philosophical method of knowledge of the phenomenon in reality based on the essential characteristics of its nature, and criminology-the doctrine of crime. The results of the survey of specialists of the law enforcement system in the field of anti-money laundering are chosen as an empirical basis. The analysis covers several groups of indicators, in particular, characterizing the spread of money laundering in the country as a whole, and the vulnerability of individual sectors of the economy. Attention is focused on the significant spread of the phenomenon of money laundering in Ukraine, as evidenced by 84.5% of respondents, and the most vulnerable is determined by the credit and financial sector (82.0%). Based on the use of a special group of indicators, the analysis of the connection of money laundering with other socially dangerous socioeconomic phenomena: corruption, the shadow economy, capital flight, organized crime and the like. The article focuses on the extreme demand of corrupt officials on laundering of corruption revenues, as noted by 85.4% of respondents. It is concluded that it is necessary to introduce fundamental changes regarding the system of combating money laundering in Ukraine.