Everyone is moving from traditional services towards various cloud-based services at minimal cost. People are commonly using data storing and virtualization services because of their advantages. Increase in the use of these services is indeed increasing the challenges for its security in the cloud environment. Hence, security of cloud data and challenges related to it becomes the priority in the domain of cyber security. Many researchers have published different papers and have conducted different surveys related to security of cloud-based services, but researches show certain gap between cloud issue and their solution, few of them address data security issue and rest have virtualization problem. Here an effort is made to cover all factors related to security issue, and it has been derived properly and in clear way, which gives proper view of clouds security and challenges. Security of cloud platform is a major concern as the treats and attacks are increasing with advancement in the domain.

Cloud Computing, Security, Virtualization, Cloud services

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