Infrastructure as a Service (IaaS) is a cloud computing service model where a provider delivers virtualized IT infrastructure resources over the internet:

The organization manages:

• Server operating systems
• Data storage
• Applications deployed to servers, such as:
  • Web-based enterprise applications
  • Database servers
  • Management agents, such as host intrusion prevention

The cloud computing service manages the underlying cloud infrastructure, which includes:

• Processing
• Physical storage
• Networks