1. A method for managing policies of a mobile device, the method comprising: receiving a plurality of policy containers from a plurality of management agents, wherein each of the plurality of policy containers has one or more policies and wherein each of the one or more policies correspond to a category from a plurality of categories; for each category of the plurality of categories, determining which of the one or more policies is a most secure policy; merging the most secure policy from each category of the plurality of categories to create a global policy; and applying the global policy to the mobile device.