Naser Molla AliAkbari - M.Sc. in Computer Engineering, Software Orientation, Islamic Azad University, Mahallat Branch, Markazi, Iran,

Cloud Computing is a form of distributed computing wherein resources and application platforms are distributed over the Internet through on demand and pay on utilization basis. Data Storage is main feature that cloud data centres are provided to the companies/organizations to preserve huge data. But still few organizations are not ready to use cloud technology due to lack of security. Cloud computing is a revolutionary mechanism that changing way to enterprise hardware and software design and procurements. Because of cloud simplicity everyone is moving data and application software to cloud data centers. The Cloud service provider (CSP) should ensure integrity, availability, privacy and confidentiality but CSP is not providing reliable data services to customer and to stored customer data. This study identifies the issues related to the cloud data storage such as data breaches, data theft, and unavailability of cloud data. Finally, we are providing possible solutions to respective issues in cloud.

Cloud service provider (CSP), cloud data storage, security issues, policies & protocols.