Orange

Solenn Brunet

Sébastien Canard

Baptiste Olivier

Dominique Le Hello

A method is provided to anonymize 'initial' data stored in a database of a computer system and resulting from aggregating personal data relating to a plurality of individuals. The method includes: an identification act identifying in the initial data a set of data that is 'sensitive' that would be affected by personal data relating to one individual being added to or removed from the database; a partitioning act partitioning the sensitive data set into a plurality of subsets as a function of a sensitivity level of the sensitive data; a determination act determining a sensitivity level for each subset; and an anonymization act anonymizing the initial data and including, for each subset, adding noise to the sensitive data of that subset with a noise level that depends on the sensitivity level determined for the subset.

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Paris, France

Solenn Brunet