Article | REF: H5537 V1

Data anonymization, an urgency in the GDPR era

Author: Louis-Philippe SONDECK

Publication date: November 10, 2019

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4. Anonymization templates

In its opinion on anonymization techniques , the G29 describes two main anonymization models: generalization and randomization. Both models have their advantages and disadvantages, and need to be adapted according to the need in question.

4.1 Randomization

Randomization covers a range of techniques whose aim is to reduce risk, either by adding dummy data, or by permuting real data. More specifically, the techniques used are: noise addition, permutation and differential confidentiality.

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