Abstract
Technology grows up, day to day to facilitate human beings’ lifestyle, in order to protect them and their properties. Cloud computing is a platform that one hardware is shared by different clients in the virtual ways and works as standalone physical hardware, is accessed everywhere at any time through the internet. Security is an essential and a vital point to all customers is belonged in the same physical component. This survey paper discusses about cloud computing challenges, types of attacks, and currently solutions in the details. Furthermore, cloud security of models as application, network, and deployment and also services. Cloud security based on a distributed ledger helps the clients to operate within transparency manners and is decentralized to enhance cloud computing information security principals, cloud security requirements, cloud security control, and security design of cloud computing
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