this post was submitted on 01 Apr 2024
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Privacy
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I think in European law, for data to be anonymous, not only there should be no personal identifying information but also there should be no identifiers that allow to link non personal data together to trace the behavior of a single person. https://www.edps.europa.eu/system/files/2021-04/21-04-27_aepd-edps_anonymisation_en_5.pdf
When the data is aggragated there's no true anonymization:
https://techcrunch.com/2019/07/24/researchers-spotlight-the-lie-of-anonymous-data
https://www.fastcompany.com/90278465/sorry-your-data-can-still-be-identified-even-its-anonymized
Do you mean not aggregated? Do you mean aggregating different kinds of data, or do you mean grouping together the same data for a category?
I mean that when lots of data is compiled, you can remove specific identifiers such as names, emails, IP addresses, phone numbers, etc (anonymization) but it's been demonstrated that it's relatively easy to re-identify specific individuals from "anonymized" data.
I think this means you still have some identifier that allows to link those data to a single person. This is quite explicitly not considered anonymization by the gdpr.