所使用的工具是在云计算领域中使用关键字（诸如云安全系统，SaaS安全性，PaaS安全性，IaaS安全性，云安全性，云中的脆弱性， ，云和云最佳实践的建议。这些关键词有助于以独特的方式选择评估资源，以保证ACM数字图书馆，IEE数字图书馆，Google学者和Science Direct等报表资源的可信度。
云计算是一种为用户呈现各种优势的新概念，但也会导致某些安全问题的出现，从而减慢进程的有效使用。了解云计算中存在的威胁，反过来帮助公司向云的实际使用方向转变（Jansen et al，2011）。云计算的安全问题已经在本报告中明确提到，其中包括IaaS和Paas等。本文中提到的最大的安全问题包括虚拟化，存储和网络。
The tools used were secondary resources of research from where considerable journal articles were selected within the domain of cloud computing using keywords such as secure systems of cloud, security of SaaS, security of PaaS, security of IaaS, threats on the cloud, vulnerabilities of cloud, recommendations for cloud and cloud best practices. These keywords have helped in selecting the resources for evaluation in uniquely formulated way and in order to ensure credibility of the report resources such as ACM digital library, IEE digital library, Google Scholar and Science Direct were used.
Impact in Real lives
Cloud computing impact on our daily lives is inevitable. Currently the advantages of cloud computing have become known widely amongst all size of enterprises. The characteristics and flexibility that it offers helps advantaging cost effectiveness and managing infrastructure of IT. The conception involves computing capacity distribution throughout several services. The platform of this model also supports redundancy and self-recovery and programming involved is highly scalable (Onwubjko, 2010). However in real lives, cloud computing offers 8 threats inclusive of someone else being authoritative of personal data, the providers of third party are involve, vulnerability to cyber attacks, threats from insider, intrusion of government, liabilities from legal considerations, standardization inadequacy, support inadequacy and always existence of risk.
Cloud Computing is a new conception presenting various advantages for the users but it also leads towards raising certain problems of security that can slow down the effective usage of the process. Having knowledge of the threats existing in cloud computing in turn helps companies to make shift in the direction of the real usage of cloud (Jansen et al, 2011). Security issues of cloud have been clearly mentioned in this report which has variations involved in them such as IaaS and Paas. Biggest security concerns as identified in this paper are inclusive of virtualization, storage and networks.