The article argues for the importance of understanding economic security in financial institutions in Ukraine. It shows evidence of a decrease in the number of financial institutions in the country. The study highlights the interconnectedness of economic security, financial security, and the functioning of financial institutions. It lists documents that shape economic security at national and business levels. The article identifies threats to the economic security of financial institutions and proposes definitions for economic security in the financial market and for different types of financial institutions. The main focus is on ensuring financial institutions can carry out their functions effectively and achieve their goals.