The most mature form of cloud-computing services, Software-as-a- Service, is seeing an increase. Seventy-nine percent of those surveyed said their organizations use SaaS, up from 67 percent in 2010. Respondents said SaaS was important in meeting their IT and data-processing goals. More organizations are evaluating SaaS applications than ever before, with more than half indicating that they are being evaluated for security prior to deployment. About 45 percent of those surveyed indicated that their organizations use IaaS.