Saturday, September 12, 2009

Demographic Information and Anonymity

The Electronic Frontier Foundation has an interesting blog entry on how gender, zip code, and birth date are unique for approximately 87% of the US population.  That means that releasing medical records with just this demographic information is enough anybody to find out the medical records for the vast majority of people in the US.  So much for anonymity.  It's too bad policy makers don't understand mathematics.

More here at http://www.eff.org/deeplinks/2009/09/what-information-personally-identifiable.

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