Talking about SECURITY: There are two type of companies dealing with any kind of sensitive DATA or having DATA-driven business:
1) those that have been hacked
2) those don’t know that they have been hacked
The Cloud-base services widely available now just increase the suspiciousness of customers and make them not rush into the cloud. The problem is not related to the quality or security of the cloud services, but to the insider risk factor. The administrator for a Cloud-based services can access executive-only financial data and conduct as insider delivering a confidential information to outsiders.