Zahra Ghanbari - Department of Information Technology & computer Engineering-Network branch Islamic Azad University E-CampusTehran, Iran

The use of Cloud Computing has increased rapidly in many organization .Cloud Computing provides many benefits in terms of low cost and accessibility of data. In addition Cloud Computing was predicted to transform the computing world from using local applications and storage into centralized services provided by organization.[10] Ensuring the security of Cloud Computing is major factor in the Cloud Computing environment. Security and privacy are the key issues for Cloud Computing and still face some enormous challenges. This article contains a review of ten technical literatures relating security challenges and security issues of Cloud Computing. I review the methodology and subsequently solution, analysis, finding and other important points in these lectures. This article summarizes ten lectures which can be utilized as a brief reference for researchers about Security issues in Cloud Computing

Cloud Computing, Service Level Agreement (SLA), IaaS, PaaS, SaaS, Cloud computing, data threats, information security, data security, security threats, Security as a service, FPGA