Re: [docs-and-reports] threat model: (small) group privacy (#9)

It is reasonable to assume that parties interested in gaining insight from a dataset would take a holistic approach, using both information about individuals to increase their understanding of the group and information about the group to inform their understanding of individuals. Focusing on individuals without considering the group seems insufficient.

I think we would also do well to keep in mind that information has value because it supports inferences about a broader context, that information about a segment of a population allows for meaningful assumptions to be made about the rest of the population. When we know that a subset of a population shares a particular characteristic, we also know the rest of the population does not share that characteristic.

To get a meaningful understanding of potential impacts I think we need to consider what is revealed about individuals, groups and the overall context.

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Received on Thursday, 18 August 2022 14:18:33 UTC