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Cloud Security and Governance: Who's on your cloud? by Rob Zanella, Sumner Blount

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CHAPTER 1: CLOUD COMPUTING – A REFRESHER

Before we delve into Cloud security, let’s look at some key concepts relating to Cloud Computing.

What is Cloud Computing?

A definition of Cloud Computing is somewhat in the eye of the beholder. The definition that is generally accepted is from the National Institute of Standards and Technology (NIST), as follows:

Cloud Computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g. networks, servers, storage, applications and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction.

There are several aspects of Cloud Computing that help define and categorize it among IT service ...

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