Banks, payment systems, credit agencies, monetary funds constitute a circulatory system of the economics providing vital services for the global community. Malfunction of just one link within the chain will lead to failure of the whole system therefore the crucial issue for is the security of the financial sector. Taking into account global digitalisation, the issue of cybersecurity takes stage and increased attention of cybercriminals considerably increases the risks of possible losses. What is the correct way to build security strategy in financial institutions? How is it possible to both secure the sector and decrease clients’ possible risks? Can we foresee future threats and start building protection right now?