Major cloud service models: IaaS, SaaS, or PaaS.

Select one of these major cloud service models: IaaS, SaaS, or PaaS.
Go to the Strayer University Library to research your selected cloud service model.
Please respond to the following in a post of 150 – 200 words:

Describe key issues when configuring and operating security for your selected cloud service model.
Be sure to support your response with examples based on your research and experience.
Provide a full citation and reference, formatted according to Strayer Writing Standards.