The paper describes concept of "enterprise’ financial security" in modern conditions and compares the main approaches to its definition taking into account the complex nature of this economic category (from the point of view of the object of paramount attention, the task of the security system and the criterions of security). The authors identified two approaches to understanding the financial security of the enterprise: the first approach, which considers financial security in terms of the enterprise’ ability to withstand the threats of the internal and external environment; the second approach determines the enterprise’ financial security as the ability of the enterprise to perform its activities effectively in an uncertain and competitive environment. In addition, the study identified the essence of enterprise’ financial security management, its purpose, objectives, functions, principles, mechanism and basic elements of management. In the course of the research it was found that the most important in the enterprise’ financial security management is to built adequate mechanism of financial security management. The authors define such mechanism, as a set of basic influence’ elements on the process of development and implementation of management decisions to ensure the protection of his financial interests against various threats. Moreover, the authors investigated the systems of enterprise’ financial security analysis, which allow to investigate the financial condition and main results of financial activity of the enterprise in order to determine the level of protection of his financial interests from threats and identify the reserves for its improvement. The system of Вісник СумДУ. Серія «Економіка», № 2’ 2019 87 integral analysis was defined as the system that gives the most solid conclusions about the state of financial security. The main reason for this is that abovementioned system allows to conduct a deeper financial analysis, to evaluate the main areas of financial activity of the enterprise and to aggregate the obtained data into one indicator.

enterprise's economic security, enterprise's financial security, mechanism of the enterprise`s financial security, management of the enterprise`s financial security.