Fecha de publicación: 24/05/2024 Fuente: Wipo "BigData" The invention discloses a big data management method and a big data management system, relates to the technical field of data management, and is used for solving the problems that a current big data management system has a serious defect of data security risk, a data leakage event is easy to occur, and serious legal consequences, financial loss and reputation damage are caused. The system comprises a data collection module, a data storage module, a data safety monitoring module and a warning module. The data collection module is used for collecting data from a plurality of data sources; the method comprises the following steps: firstly, verifying a plurality of data sources, evaluating the reliability and legality of the data sources, and specifically performing comprehensive analysis through the creditworthiness, data updating frequency and security measures of the data sources; according to the big data management system, multi-dimensional comprehensive guarantee is provided for data security in three aspects of data acquisition, storage and management, the data security risk of the big data management system is reduced, and the privacy and confidentiality of user data are protected.