What is the difference between Cloud Computing and Software as a Service (SaaS)? Is there a difference? If you look at SaaS in Wikipedia, you will see no mention of cloud.

The key difference between SaaS Cloud is that users of the Cloud have more control over their data while the data at SaaS servers can be controlled by the provider.

SaaS is becoming the preferred deployment option for mid-sized businesses because it helps them become more agile, productive and responsive.

SaaS defined SaaS stands for software as a service, which means software is hosted by a third-party provider and delivered to customers over the internet as a service.

The SaaS vs. On-Premise cost differential turns out to be quite significant. Large enterprises are starting to embrace SaaS applications for more than cost reasons.

And finally, security. All SaaS solutions should allow automatic security patching, but the difference defers back to your change control requirements.