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Online platforms’ EU data-protection duties thrown into doubt by ECJ ruling

By Sara Brandstätter ( December 29, 2025, 11:41 GMT | Comment) -- Social media giants and other online platforms that host user-generated content will be starting the new year puzzling over urgent questions thrown up by an EU Court of Justice ruling that threatens new data protection risks. While the specific case concerned third-party ads on an online marketplace that unlawfully used an individual’s personal data, the judgment is expected to have much broader implications for platforms on GDPR liability.Social media giants and other online platforms that host user-generated content will be starting the new year puzzling over urgent questions thrown up by an EU Court of Justice ruling in a case involving online marketplace Russmedia Digital....

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