Cloud computing enhances IT consumption and administration by reducing costs, accelerating innovation, reducing time-to-market, and allowing on-demand program development. [1] While the hype began in 2008 and has remained since, there is a definite movement toward cloud computing, and the advantages may be enormous, especially in an age when enterprises want remote access to resources. [1] Legal/contractual, economic, service quality, interoperability, security, and privacy challenges exist despite cloud computing's fast growth. In this chapter, I'll discuss cloud computing's legacy services and its biggest obstacles. We focus on cloud computing's regulations, security, and privacy. This essay offers answers to these problems and reviews upcoming cloud computing developments.