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GDPRJun 29, 2026

UODO (Poland) - DKN.5131.34.2023

Poland's UODO fines a controller €2,760 for GDPR violations after an email data breach.

Poland's Data Protection Authority (UODO) has fined a data controller €2,760 for violating multiple GDPR articles, including those related to data security and appropriate measures. The breach, involving unauthorized access to personal data processed via email, was deemed a data breach under GDPR Article 4(12). The controller failed to implement adequate technical and organizational measures, conduct risk assessments, or regularly test their effectiveness prior to the breach notification.

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The lesson from this incident

Full lesson

A Polish data controller was fined €2,760 after unauthorized access to personal data processed via email exposed systemic failures in their data protection practices. The root cause was the absence of adequate technical and organizational measures — including no prior risk assessment and no testing of existing security controls — all required under GDPR. This case illustrates that GDPR compliance is not a one-time checkbox but an ongoing obligation to assess, implement, and validate protective measures. Regulators will hold organizations accountable not just for the breach itself, but for the failure to proactively manage risk before an incident occurs.

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