Meta Platforms v Bundeskartellamt (C-252/21), para 89: a mixed dataset is treated as sensitive (Case C-252/21, Meta Platforms and Others v Bundeskartellamt, EU:C:2023:537 (4 July 2023), para 89)
A corpus of tickets or chats where sensitive items cannot be separated is treated as a whole as sensitive data. A holder should strip or exclude those items before a licence, not rely on the share of ordinary content.
Dated 18 Oct 2026Source checked 18 Oct 2026Basis: primary text
In the source's own words
“where a set of data containing both sensitive data and non-sensitive data is subject to such operations and is, in particular, collected en bloc without it being possible to separate the data items from each other at the time of collection, the processing of that set of data must be regarded as being prohibited, within the meaning of Article 9(1) of the GDPR, if it contains at least one sensitive data item and none of the derogations in Article 9(2) of that regulation applies.”
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