A lot of our customers ask us about the security and privacy of their information in the cloud. Microsoft has a comprenehsive privacy statement which is summarised here: http://www.microsoft.com/online/legal/?langid=en-us And expanded upon here: http://www.microsoft.com/online/legal/?langid=en-us&docid=7
Loryan Strant, Microsoft 365 MVP
Consultant, writer and speaker