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Enforcement Β· Polish National Personal Data Protection Office (UODO) EN LLM context A cited markdown file you can paste into your AI assistant (ChatGPT, Claude, a RAG or project knowledge base) to ground it in this document. Contains: this document’s text, its sections with their topics, and the full text of every law provision it applies. Everything links back to its source on overview.legal β€” legal information, not advice.

Bank Millennium S.A: Insufficient fulfilment of data breach notification obligations

€78,000 Fine
Bank Millennium S.A
POLAND
Art. 33 GDPR Art. 34 GDPR

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The Polish DPA (UODO) has imposed a fine of EUR 78,000 on Bank Millennium S.A.. The UODO had become aware of a data protection breach following a complaint against the bank. It turned out that correspondence sent by the bank through a courier service containing personal data such as first name, last name, PESEL number, home address, account numbers and identification numbers of customers, had been lost. In this regard, the UODO found that the bank had failed to report the incident to the DPA and provide adequate notice to the data subjects.

Industry: Finance, Insurance and Consulting

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