Now a days data is growing at a very fast rate. Here data is referred not only with organizational data but the data also from non-organizational and social media, the data may be PDF’s, Photos, Audios, Videos, XML file etc. To earn more profit, the organizations tends to establish Cloud Storage with minimum establishment cost and high security. To provide robust and secure platform is the main aspect of cloud. Lots of algorithms have been designed and implementing for securing the data at cloud but the attack on 2014 on cloud in which 50 million accounts were hacked, shows that cloud is not fully secured. The main focus of this paper is to draw attention towards security issues and cost-efficient cloud and the solution for implementing it.