The object is the processes of ensuring and managing the financial security of the banking system. The purpose is systematization of scientific views on the study of the fundamental principles of financial security of banks and the development and substantiation of conceptual, theoretical and methodological and methodical and applied principles of financial security of the banking system of Ukraine. Methods are dialectical; historical and logical; system-structural analysis; synthesis; quantitative and qualitative comparisons; expert estimates, forecast; regression analysis; informational and statistical; economic-mathematical analysis; SWOT analysis; modeling and extrapolation. The results - formulated the concept of financial security management of the banking system of Ukraine, the theoretical substantiation of its substantive essence and institutional form, an integral indicator of financial security of the banking system of Ukraine was constructed, and strategic directions of ensuring an adequate level of financial security of the national banking system were substantiated. Novelty - for the first time: the concept of financial security management of the banking system of Ukraine has been formed as a holistic vision of tasks, principles, methods and management tools in their interconnectedness, aimed at creating conditions for the achievement of tactical and strategic goals of the development of the domestic banking system; the influence of banking activity concentration on financial security of the banking system is substantiated; the hypothesis about the influence of banks with foreign capital on the financial security of the banking system from the standpoint of differentiation according to functional and organizational models and structural features of activity was put forward and proved; The scientific-methodical approach to building an integrated indicator of financial security of the banking system has been developed by aggregating five groups of indicators, including solvency, liquidity, profitability, quality of assets of the banking system and the situation of external and internal markets. Such an indicator reflects the dynamics of changes in the level of financial security of the banking system during its historical development, is a signal of the accumulation of threats in the economy and the basis for forecasting, developing management strategies, and improving the functioning of domestic banks. Improved: scientific approach to the interpretation of the essence of the concept of "financial security of the banking system", "financial security of the bank", "system bank"; methodological tool for building a system of indicators for assessing the financial security of the banking system; conceptual approach to assessing the financial security of the banking system. got further development: the argument about the individualization of the concepts of "banking system" and "banking sector"; definition of the peculiarities of the analysis of shadow economy processes based on the theories of rationalism of crime, institutionalism and economic teratology in the context of identifying threats to the financial security of the banking system that allow expanding the scientific worldview in this area by analyzing the historical logic of the formation of domestic economic relations, the objectivity of the development of transfer pricing, capital flight, the growth of the shadow foreign exchange market and its impact on the reduction of the volume of the resource base, assets and profit utopian banks as the main objects of their financial security; scientific and methodical approaches to the development of criteria for determining the systemic importance of the bank. Introduced in the activity. The project was implemented in the activities of: the Committee on financial policy and banking activities of the Verkhovna Rada of Ukraine, the Association of Ukrainian Banks, PJSC "Ukrainian Interbank Currency Exchange", the Fund for Individual Deposits Guarantees, the Finance Department of the Ternopil Regional State Administration, PJSC Bank Credit Dnepr, PJSC commercial bank "Lviv", branches of the Ternopil oblast management of JSC "Oschadbank", as well as in the educational process of the Ternopil National Economic University and DKLexAcademy. The scope of use is the Committee on Economic Policy of the Verkhovna Rada of Ukraine and the National Bank of Ukraine
