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A security mediator for health care information
G Wiederhold1, M Bilello, V Sarathy
1Stanford University, CA, USA.
Summary
The Trusted Interoperation of Healthcare Information (TIHI) system secures enterprise data sharing by using a gateway to mediate queries and responses based on defined rules. This approach enhances security for collaborating organizations, including healthcare.
Area of Science:
- Information Security
- Computer Science
- Healthcare Informatics
Background:
- Collaborating enterprises often face security challenges when sharing sensitive information.
- Existing security measures like firewalls and secure transmission may not cover all inter-enterprise data sharing needs.
- The healthcare sector requires robust solutions for secure information exchange.
Purpose of the Study:
- To address the security issue of selective information sharing among collaborating enterprises.
- To design and present the TIHI system for mediating queries and responses.
- To demonstrate the applicability of the solution in healthcare and other collaborating enterprises.
Main Methods:
- Developed a gateway system owned by an enterprise security officer to act as a mediator.
- Implemented enterprise policy through a set of definable rules for the mediator.
- Transmitted queries and responses via the Internet, assuming existing protection against intrusion.
Main Results:
- The TIHI system effectively mediates queries and responses between collaborating enterprises.
- Demonstrated example rules that define enterprise policies for data sharing.
- Validated the solution's effectiveness within a healthcare context.
Conclusions:
- The TIHI system provides a secure mechanism for inter-enterprise information sharing.
- The gateway-mediated approach, governed by enterprise rules, enhances data security.
- The TIHI solution is adaptable for secure collaboration across various industries beyond healthcare.