Grazed from NetworkWorld. Author: Robert Scheier.
Many enterprises are reluctant to move critical cloud applications out of their own data centers and into the public cloud due to security concerns. Yet the same automated, consistent provisioning that is essential to managing either public or private clouds (as well as to the process of thinking through a cloud deployment) can also offer the fringe benefit of improving security.
Of course, not all cloud management tools work equally well with all cloud providers, nor do they all allow customers to manage their internal and external clouds as a single unit. Infrastructure-as-a-service (IaaS) providers such as Amazon, for example, typically don’t allow customers to tweak the network and storage infrastructure beneath the operating system, forcing customers to trust that level of security to the vendor.
And while some customers will trust outside certifications, such as Amazon Web Services’ Level 1 compliance with PCI DSS, others will choose to stick with a private cloud within their own firewalls, or create cloud environments at an external site using their own networks and keeping storage under their control…