Case C-169/23, Másdi: Judgment of the Court (Third Chamber) of 28 November 2024 (request for a preliminary ruling from the Kúria – Hungary) – Nemzeti Adatvédelmi és Információszabadság Hatóság v UC (Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data and the free movement of such data – Regulation (EU) 2016/679 – Data processed when drawing up a COVID-19 certificate – Data not collected from the data subject – Information to be provided – Exception to the obligation to provide information – Article 14(5)(c) – Data generated by the controller in the context of its own processes – Right to complain – Competence of the supervisory authority – Article 77(1) – Appropriate measures to protect the data subject’s legitimate interests provided for by the Member State law to which the controller is subject – Measures relating to the security of data processing