主题：【原创】云里雾里的云计算 [1] -- 邓侃

Google, for one, has heard this criticism before. Its response is that customers can feel comfortable with Google Apps because its systems and processes have passed a SAS 70 Type II audit of controls in place to protect data. Google has also published on its enterprise blog some of the ways it manages customer information.

That helps a little, Tracy says, but it's far from enough when he worries about exporting sensitive data. "That requires us to understand where the data is hosted and who has access, [even] the nationality of everyone who is a system administrator," he explains. "That's not feasible in cloud computing, where processing could be in any data center around the country at any given moment."