Until recently it was acceptable to host your data with American companies on their servers under the US Safe Harbor protection scheme. This has now been ruled insufficient / illegal and there is a mad dash by EU companies to ensure they are sufficiently protecting their customer data.
This article by the guys at Owncloud goes into the issues in a little more detail.
You will be pleased to know that Fido’s Storage solution is fully EU compliant with data only stored on UK based servers, and that we employ high levels of security to ensure your data is kept safe and secure.