For this discussion post: 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. For assistance and information, please refer to the Strayer Writing Standards link in the left-hand menu of your course.