A cloud computing service plays an important role in every day use. The cloud computing is coming prevalent in a society because the could computing can handle with the explosive growth data which is transferred over an online world such as Facebook, Twitter, and Line. Moreover, could computing is a reliable and stable service so the cloud service provider choose the cloud service to make a trust to a customer.
However, a security on the cloud service is an issue which is mentioned by a customer so the cloud service is scandalized by a Cloud security Alliance. The cloud standard is called cloud security guidance version 3.0. Moreover, the cloud service provider is assessed by a security trust and assurance.