Enabling Secure Interoperability Among
Federated National Entities: It's a Matter of Trust
January 2007
C. L. Connors, The MITRE Corporation
Dr. M. A. Malloy, The MITRE Corporation
E. V. Masek, The MITRE Corporation
ABSTRACT
This paper discusses issues relevant to accomplishing secure data sharing among federated
national entities. This is an important, timely problem particularly in the defense sector since
multi-national operations have become the norm. Similarly, the commercial marketplace today
is a global one, requiring the exchange of information in support of transactions on an
international scale. Traditionally, federated secure information sharing has been accomplished
through bi- and multi-lateral information exchange agreements that require complex, humancentric
and time-intensive processes to stand up or modify. The objective vision is to support
such information sharing by establishing domain functional areas, and by creating discovery
metadata standards that leverage security information to filter published data sets. A concurrent
requirement is that only limited degradation of pertinent information can be tolerated to sustain
common understanding. While XML alone is not enough to accomplish the vision, it is a critical
enabler. We point out appropriate insertion points for XML technologies in meeting federated,
secure interoperability challenges, and note as yet there is no "shrink wrapped" solution.
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