When it comes to the hosting of data or information of a sensitive nature, many prefer to go with online hosting. These are, most of the time, easy to implement, easy to access, and easy to determine who can access this data once stored. There are still external of course, where you can store all your paper, but should something happen to the premises, a fire for example, you have lost everything and if you have backed it up online, why bother to pay for external hosting?