I have blogged on the topic in the past many times. At first the “Data Segmentation” phrase threw me off. This is a term that security community uses to describe something different. Data Segmentation is the process of carving out extremely sensitive information and keeping it physically isolated from common data. I thus wrote: Data Classification - a key vector enabling rich Security and Privacy controls. This did quite a bit of good to help the community understand “Data Classification”, and has resulted in a new understanding of ‘confidentialityCode’. Proposal for confidentialityCode vocabulary
We even have some actual work done by some Health Information Exchanges - Draft Affinity Domain Policies
I look forward to helping the community understand. I commit to doing a better job of explaining how this is done in a standards based way that is robust, can be implemented in multiple deployment architectures, and is scalable.
Sent: Monday, September 19, 2011 12:52 PM
Subject: Call for Participation - Data Segmentation
Chief Privacy Officer
Office of the National Coordinator for Health IT