Internet access to medicla data has greatly factilitated information sharing.As health care institutios become more willing or more pressured to share some of their protected information,tools are being developed to facilitate the information ransfer while protecting the privacy of the data.To this end,under the TIHI project,we have designed a security mediator,a softwa entity that screens both incomjing queries and outgoing results for compliane with a medicla institutio's policies pertaining to data privacy.The system is under the contorl of a security officer,who enter simple rules into the system that implement the policies of hte institutionIn this paper,we describe the WWW implementation fo the security mediator ducal interaface.The customer interface allows outsiders to requrest and receive filtered mediacla information from a hospital database.The security officer interface peromits rule eiting and resolution of cases not covered by the rule-set.
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