Cloud computing and security challenges

Cloud computing is making a big difference in the IT industry. Research on cloud computing is becoming more and more popular. And this article focuses on cloud computing. This article first describes the features and definitions of cloud computing, then introduces its service patterns (ie, SaaS, PaaS, and IaaS) and deployment patterns (including public cloud, private cloud, and hybrid cloud), and finally lists the cloud security challenges. That cloud computing is facing.