Pablo Ximenes,  André dos Santos,  Joaquim Celestino Jr.. 

This paper describes an architecture to enforce security and privacy of patients' medical data called SecMD. A novel data representation scheme called Data Capsule (DC) is used to support such model. Data using DC's are represented as objects containing all the security parameters necessary to enforce a secure policy. The management of medical records, including their transfer from one entity to another (e.g., from Hospital A to Hospital B) becomes only a matter of managing objects. Security policies, auditing data, and all security enforcement data, which are part of a DC, are bound to the raw data, ensuring that security policies are always enforced.

http://www.lbd.dcc.ufmg.br/colecoes/wim/2008/0026.pdf

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