Article 34 — Notification of a personal data breach to the European Data Protection Supervisor
Regulation (EU) 2018/1725 — data protection for EU institutions
| In the act | EU 2018/1725 |
| CELEX | 32018R1725 |
| Read on | 2026-08-14 |
Official text
Read from the EU Publications Office for this CELEX number. The wording stands as published; nothing here is rewritten or summarised.
1. In the case of a personal data breach, the controller shall without undue delay and, where feasible, not later than 72 hours after having become aware of it, notify the personal data breach to the European Data Protection Supervisor, unless the personal data breach is unlikely to result in a risk to the rights and freedoms of natural persons. Where the notification to the European Data Protection Supervisor is not made within 72 hours, it shall be accompanied by reasons for the delay.
2. The processor shall notify the controller without undue delay after becoming aware of a personal data breach.
3. The notification referred to in paragraph 1 shall at least:
(a) describe the nature of the personal data breach including where possible, the categories and approximate number of data subjects concerned and the categories and approximate number of personal data records concerned;
(b) communicate the name and contact details of the data protection officer;
(c) describe the likely consequences of the personal data breach;
(d) describe the measures taken or proposed to be taken by the controller to address the personal data breach, including, where appropriate, measures to mitigate its possible adverse effects.
4. Where, and in so far as, it is not possible to provide the information at the same time, the information may be provided in phases without undue further delay.
5. The controller shall inform the data protection officer about the personal data breach.
The article continues in the official text.
The text is quoted from the official source and is not legal advice. A national court reads the language version that binds in its jurisdiction.
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