The purpose of this paper is to identify the problems and ways of providing Ukraine financial security in a hybrid war. The subject of the study is the system of financial security of Ukraine. Research methods. The paper uses a set of scientific methods, including systematic, structural, comparative, factorial, and others which allowed to realize the conceptual unity of the research. Research results. The article deals with systemic problems and ways of ensuring the financial security of Ukraine in the conditions of hybrid warfare, clarifies the concept of "financial security", an analysis of the peculiarities of the factors of providing and assessing the financial security of Ukraine at the present stage of development of the state. It has been determined that financial security is one of the key elements of economic security, the state of finance in the state depends on the state of the economy of the country, and simultaneously, the economic well-being of the country depends to a large extent on the level of ensuring the financial security of each individual citizen, as well as of the society state in the whole. Conclusions. Financial security is the protection of financial interests of business entities at all levels of financial relations, financial coverage of households, enterprises, organizations and institutions, regions, industries, sectors of the economy, government, sufficient to meet their needs and to fulfill obligations. In public administration practice there are often problems in assessing and analyzing individual components of national security or making decisions on one of the areas of ensuring financial security, when data on changes in other components of security are not available. Ensuring the financial security of the country requires the cessation of capital flight practice being one of the most powerful internal threats to the financial security of the country as a whole. The rise of external public debt and the excessive openness of the economy are the factors contributing to financial security risks.