1. A method of managing applications of an enterprise on a mobile device, comprising: installing a set of managed applications of the enterprise on the mobile device, wherein one or more unmanaged applications are installed on the mobile device that are not part of the set of managed applications; receiving a set of application policies, wherein each of the set of managed applications is associated with one or more policies of the set of application policies; selectively allowing a first application of the set of managed applications to provide data to a second application installed on the mobile device, responsive to accessing a policy associated with the first application and reading an indication from the policy of the first application that the second application is a member of the set of managed applications; and selectively blocking the first application from providing data to a third unmanaged application installed on the mobile device, responsive to accessing the policy of the first application and failing to read an indication from the policy of the first application that the third application is a member of the set of managed applications.