Methods for ensuring security in big data (Big Data)

This paper considers the basic concepts and principles of data security and their importance for the banking sector, analyzes the existing methods of data security and their applicability in the context of big data, considers various methods and technologies used to ensure data security in large volumes, as well as applicability in the banking sector of the Republic of Kazakhstan, offers specific recommendations and standards that can be used by banks to ensure data security in the context of big data. The issues of authentication, encryption, access control and data monitoring are considered, the main problems and challenges faced by banks in applying security methods are discussed.