Many organizations are moving to the cloud to protect their infrastructure

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Many organizations are moving to the cloud to protect their infrastructure, reduce infrastructure costs, and improve their backup capabilities. As a cybersecurity practitioner, you may very well be asked to assist in the selection and implementation of a cloud computing service model.

Go to Basic Search: Strayer University Online Library to locate and integrate at least two quality, academic resources (in addition to your textbook) on the cloud computing service models defined by the National Institute of Standards and Technology (NIST)Links to an external site.. You may also use government websites, such as CybersecurityLinks to an external site. from the National Institute of Standards and Technology.

Please respond to the following in a post of at least 200 words:

Compare and contrast the cloud computing service models defined by NIST.
Integrate practical examples of organizations you have researched that that are using the various platforms, highlighting the advantages and disadvantages of each.
Provide full citations and references, formatted according to Strayer Writing Standards.
This course requires the use of Strayer Writing Standards (SWS). The library is your home for SWS assistance, including citations and formatting. Please refer to the Library site for all supports. Check with your professor for any additional instructions.

 

Sample Solution

 

 

 

The National Institute of Standards and Technology (NIST) defines three primary cloud computing service models: Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS) [1]. Each model offers a distinct level of control and responsibility between the cloud provider and the organization.

IaaS provides the most fundamental layer, offering virtualized computing resources like servers, storage, and networking. The organization manages everything above the infrastructure layer, including operating systems, applications, and data. This model grants the most control but also requires significant technical expertise.

example is Dropbox Business, which provides businesses with secure cloud storage but leaves them responsible for data management and security within that storage [2]. While IaaS offers scalability and cost-efficiency, it also demands a higher level of in-house IT expertise.

PaaS builds upon IaaS by offering a development environment with pre-configured tools and middleware. This allows organizations to focus on application development without managing underlying infrastructure. Heroku is a popular PaaS platform used by startups and developers to rapidly build and deploy web applications without worrying about server management [3]. PaaS offers faster development cycles and simplified infrastructure management, but often comes with limitations on customization compared to IaaS.

SaaS provides the most complete solution, offering on-demand access to pre-built applications over the internet. The cloud provider manages everything, including infrastructure, platform, and application software. Salesforce is a well-known SaaS CRM platform that businesses can access via a web browser, eliminating the need for software installation or maintenance [4]. SaaS offers ease of use, scalability, and lower upfront costs, but can be less customizable and may carry vendor lock-in risks.

Choosing the Right Model

The best cloud service model depends on an organization’s specific needs. Here’s a brief breakdown:

  • IaaS: Ideal for organizations with strong IT expertise who require maximum control and customization.
  • PaaS: Suited for organizations that want to focus on application development without managing infrastructure.
  • SaaS: Perfect for businesses seeking easy-to-use, scalable applications with minimal upfront investment.

Ultimately, selecting the right model requires careful consideration of factors like technical expertise, budget constraints, desired level of control, and application requirements.

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