Title page -- Contents -- 1. Introduction -- 2 . The Legal Challenges -- 3. Trends in Health Telematics -- 4. The CoCo Guide to EDI Security -- 5. Security Architecture of the Star Project -- 6. The TrustHealth Pilot Experiment in Danderyd Hospital -- 7. Security Infrastructure for a Regional Electronic Medical Record -- 8. Security and the RHINE Project -- 9. The TIDDM Project and Security -- 10. Security Aspects in Relation to the HISA Standard Middleware Architecture -- 11. Using S/MIME for Health Insurance Claims -- 12. Summary of Described Security Problems and Solutions -- 13. Recommendations from SIREN -- 14. Authors -- 15. Bibliography -- 16. Websites -- Author Index