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Hello everyone my name is vijay kumar Devireddy and I am glad to have you back on my episode 64 today we're going to discuss about Cloud computing isn't a single thing though,because there are many different ways to implement the cloud you should know that there are four different cloud types.Public, private, hybrid and community.The most common type of cloud architecture is the public cloud.Under this model, a service provider makes resources  available to the end user over the internet.There are numerous public cloud solutions available today,including those from google,Microsoft and Amazon.For example, google drive is a public cloud service that's offered both as a free and pay for use model.Public clouds can often be an inexpensive way for an organization to gain the required capability and service they need quickly and efficiently.The second option is what's known as a private cloud.This service requires that a company create its own cloud environment that only it can utilize as an internal enterprise resource to manage its cloud.With a private cloud, your organizations responsible for the design, implementation and operation of the cloud resources, and the servers that host them.For example, the United States Government runs a private cloud for use by different organizations within the government.But my company and yours, can't get access to it like we could with google drive.Generally, a private cloud is chosen when security is more important to the organization than cost.A hybrid cloud solution combines the benefits of both the public cloud and the private cloud options. Under this architecture,some resources are developed and operated by the organization itself like a private cloud would be but the organization can also utilize the publicly available resources or outsource services  to another service provider like a public cloud does! Because of this mixture of private and public cloud resources, strict rules should be applied for what type of data is hosted in each portion of this hybrid cloud.For example, any confidential information should always be hosted on the organization's private cloud portion.Our fourth option is known as a community cloud.Under this model, the resources and cost are shared among several different organizations who have a common service need, this is similar to taking several private clouds and connecting them together.Now, the security challenge here is that each organization may have their own security controls,remember if you connect your network to another network,you inherit their security risks as well.This doesn't change just because we've moved to the cloud environment.So, which of these four models or combination of models is right for your organization?Well, there's no clear cut answer,because it really depends on your security needs,your cost restrictions and your risk tolerance.Generally, it's cheapest to use a public cloud model,but this also increases the risk to your information's confidentiality and availability.Well, there's many other things you need to consider as a security practitioner, there is going to be no single right answer here, instead it's our job to weigh the benefits and the drawbacks of each other these models to decide which one is right for our organization's security needs and their concerns.