1. A method comprising: receiving, with an authentication device, authentication information from an endpoint device; authenticating, with the authentication device, the endpoint device based on the authentication information; based on the authentication, storing, with the authentication device, authorization information in accordance with a first proprietary authorization data model; applying, with the authentication device, an export translation policy to translate the authorization information stored in accordance the first proprietary authorization data model into translated authorization information that complies with a second Interface for Metadata Access Point (IF-MAP) authorization data model conforming to an IF-MAP standard, wherein the second IF-MAP authorization data model is different from the first proprietary authorization data model; and publishing, with the authentication device, the translated authorization information in accordance with an IF-MAP protocol to an intermediate storage device that implements the second IF-MAP authorization data model.