Cloud is a very broad concept and covers virtually every possible type of online organization, however when associations involve cloud acquisition, there are mostly three cloud advantage models below idea, Software as a Service (SaaS), Platform as a Service (PaaS) and Infrastructure as a Service (IaaS). Security issues related to transmitted data fall into two general classes: Security issues observed by cloud providers are software, platform, or infrastructure as a service with methods for the cloud, and security issues examined by their customers. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an Original Essay Cloud application, or Software as a Service (SaaS), organizations face the largest and most rapidly growing cloud push yet. SaaS uses the Web to deliver applications that are directed by a marginalized reseller and whose interface is accessible from the customer side. Most SaaS applications can be run specifically from a web program with no downloads or basics required, although some require modules. Cloud service organizations, or Platform as a Service (PaaS), are used for applications and other changes, while providing cloud parts to programming. What organizers get with PaaS is a framework they can create to deploy or enhance applications. PaaS makes progress, testing, and livelihood dispatch quick and clear. With this advancement, meander operations, or an untouchable provider, can oversee the virtualization, servers, collection, organization, and PaaS programming itself. The masters, in any case, deal with the applications. Cloud creation organizations, called Infrastructure as a Service (IaaS), are self-benefiting models to reach, control, and administer remote data center facilities, for example, enlist (virtualized or revealed metal), accumulate, sort, and organize organizations (e.g. firewalls). Instead of purchasing hardware outright, customers can purchase IaaS on a per-use basis, similar to control or other utility costs. Appeared differently in relation to SaaS and PaaS, IaaS customers are responsible for managing applications, data, runtime, and middleware. Vendors continue to direct virtualization, servers, hard drives, accumulation and framework organization. Several IaaS vendors now offer unique databases, training lines, and organizations on the virtualization layer as well. Some technology examiners identify a capability here and use the moniker IaaS+ for these different choices. What customers get with IaaS is a system on which they can submit any required step. Customers are responsible for reinvigorating them if new structures are released.