I. Introduction
Information technology permeates into all spheres of human life. It is impossible to imagine the modern world without the Internet, which makes it possible to make a person's life brighter and more saturated. The development of technologies made possible the provision of various online services; rapid development was given to small and medium-sized businesses on the Internet. Along with this, the activity of cybercriminals that use Internet resources as targets of attacks is also increased [1]. The security aspect has become an important component in software development, particularly, in the financial sector.