# Cloud Security

Cloud Computing is a model for enabling ubiquitous, convenient, on-demand, network access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort or service provider interaction.

benefits:

1. Pay as you go
2. Shift from Capex to Opex (capital expense to Operating expense)
3. Economic benefits.
4. Scalable, elastic -> bill just for what you use
5. increased speed and efficiency
6. easy global expansion

## 5 essential characteristics of cloud computing

On-demand self service

Broad network access

Reource pooling

Rapid elasticity

Measured Service