Data security issues on cloud environment

Today’s people are dealing with data which is stored on server and it is increasing day by day. Before a decade it restricts to use different application over internet because of availability of internet. But now a day’s every one talking about different types of data and wants to deal with it. As a use of internet generation of voluminous data and storing of data on server is very important with limitation on local site. But again the problem of sensitive data arises as a security, when it is stored on server. So it’s necessary to protect sensitive data on cloud