Cloud computing is one of the widely used technology in the 20th century. Cloud has become an essential part in our day-to-day life, because the data are stored in the cloud in any one form such as Gmail, Google Drive etc. As the users store sensitive information in the cloud, the Cloud Service Providers need to provide proper data security for data stored in the cloud. There are many issues in Cloud Computing Security. This paper discussed about various issues in the Cloud Computing environment and the future work directions have identified for the Cloud Computing Security.