Data prevention from unauthorized access by Unclassified Attack in Data Warehouse

Nowadays we need more services and more security in hi-tech environment for accessing the data from DW because data which is stored in Data Warehouse is crucial and sensitive. These sensitive data is used by decision maker to make the strategies decision to analyze the status and development of an origination. The data of Data Warehouse can easily access by an unauthorized user through unfair means. As we know that data from Data Warehouse is travel on the Network and there are various classified and unclassified attacks are possible. So in this paper, we propose a security approach to secure the data from unauthorized access at the access time by Unclassified Attacks.