Background information Date of final decision: 24 April 2024 National case Legal Reference (s): Article 24 (Responsibility of the controller), Article 25 (Data protection by design and by default), Article 32 (Security of processing), Article 33 (Notification of a personal data breach to the supervisory authority), Article 34 (Communication of a personal data breach to the data subject) Decision: Administrative fine, Communication order personal data breach Key words: Administrative fine, Data subject rights, Personal data breach, Accountability, Data security, Sensitive data Summary of the