A Hybrid Approach for Data Security Improvement in DataWarehouses

Implementing data warehouses for large databases has become one of the major needs at the current time.Having different and small databases, large organizations need to integrate and develop data warehouses properly.Developing a data warehouse helps organization store statistical information that can be useful in the decision-makingprocess. This integrated statistical information (data warehouse) is considered to be useful, comprehensive informationon the status of organizations with respect to the type of their activity. This information is also known as an appealingtarget for internal and external intruders. Given the huge importance of this data, an appropriate approach should beadopted to secure data warehouses. This paper reviews some of the security approaches such as fetched data securitysolutions and classic models for security and proposes a method based on recording events and users’ activities toidentify and find the patterns of internal intruders)

Keywords:

Data Security , Data Warehouse , Preventive , User-Level , Classic Model