Knowing that a new class of users, cloud provider administrators, will have high level access to that sensitive information, this must be effectively managed.

FORBES: Cloud Computing Hides Big Issues In Corporate Data Sharing

E-mail involving customer data or high-level strategy may be suitable for outsourcing but not cloud computing.

FORBES: Cloud Computing Isn't For Everyone

Ultimately, many enterprises may leave it up to cloud-based providers to worry about hiring and staffing this new breed of high-level professional.

FORBES: Fastest-Growing Category of Cloud Computing: Business Intelligence and Analytics

Sundararajan (associate professor of Information, Operations and Management Services at the NYU Stern School of Business) and two colleagues surveyed 23 CIOs and high-level IT managers at U.S. and Canadian companies that use or have evaluated use of cloud services.

FORBES: How to Tell If Your Company is Ready for the Cloud