Observed Signal · Oct 13, 2026 · Policy Update · Source: Adzine · Impact: 4/5 · Sentiment: Negative
Norway Fines Microsoft's Xandr Record GDPR Penalty
Norway's data protection authority, Datatilsynet, has fined Microsoft's adtech unit Xandr 92 million Norwegian kroner (over €8.6 million) for GDPR violations. The penalty, the highest ever imposed by the authority, stems from the processing of personal data from dating app Grindr between July 2018 and April 2020. Grindr had transmitted data, including sensitive information revealing sexual orientation, to Xandr and other adtech providers during programmatic auctions. The Norwegian Consumer Council and the Austrian privacy organization Noyb filed complaints in 2020. Datatilsynet rejected Xandr's argument that it relied on Grindr obtaining consent, ruling that Xandr shares responsibility for lawful processing. The fine was calculated based on Xandr's pre-Microsoft acquisition revenue. Microsoft, which acquired Xandr in 2022 and folded it into Microsoft Monetize, Invest, and Curate, said it is reviewing the decision and may appeal within three weeks.
This landmark GDPR fine against an adtech intermediary reinforces that all parties in the programmatic supply chain share responsibility for lawful data processing, potentially reshaping contractual obligations and risk assessments across the industry.
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Key Takeaways & Evidence Grounding
- Norway's Datatilsynet fines Xandr 92 million NOK (€8.6 million) for GDPR violations.
- The fine relates to Grindr data shared with Xandr from July 2018 to April 2020.
- It is the largest fine ever imposed by the Norwegian data protection authority.
- Xandr argued it relied on Grindr's consent; Datatilsynet rejected this defense.
- Microsoft, Xandr's owner, is reviewing the decision and may appeal.
Connected Companies & Entities
3 Entities mapped“Microsoft's adtech unit Xandr was fined 92 million Norwegian kroner by Datatilsynet for GDPR violations.”
“Microsoft, the owner of Xandr, is reviewing the decision and may file an appeal.”
“The dating app Grindr transmitted user data to several adtech providers, including Xandr.”
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