See Jim O'Neil's post detailing the New, Improved, No-Risk Windows Azure Trial!
So which security threats are mitigated by the Windows Azure environment and which security threats must be mitigated by the developer?
The paper, Security Best Practices for Developing Windows Azure Applications, describes what you should consider as key threats that your an application running on the Windows Azure. And it shows specifically where Azure provides the mitigation and those you need to call APIs and those which you need to handle yourself. (It does not address regulatory compliance issues.)
The Windows Azure team today announced new data center options based in the United States. The announcement was made at Announcing New Datacenter Options for Windows Azure.
Datacenter options of “West US” and “East US” are now offered for compute and storage. SQL Azure will be online in the coming months, according to the announcement.