Data mining is used for to process the information and obtained the knowledge or interesting patterns from the large amount of data. Data mining is a ground breaking way to leverage the information. The information that data mining provides can lead to an immense improvement in the quality and dependability of business decision making. This paper is that to improve the security of the data. Everyday customers or client's information is updated, this information is very important data for the clients or the customers, they never want to disclose with anyone.