Cloud computing is very emerging technology and have economical computation over the current infrastructure. Cloud computing provides the services on the basis of as you-pay-as-you-go. Privacy and security is still at top level risk in cloud data management environment. Privacy of the data is affected as cloud users have not fully aware about the location of the data kept on servers. Data segregation is another problem during the storage of data. Identity management is a big issue that is faced by the cloud users.