Noted by OneTrust DataGuidance:
The Polish data protection authority (‘UODO’) announced, on 30 April 2020, that it had begun investigating a data breach that occurred at the SWPS University of Humanities and Social Sciences (‘SWPS University’). In particular, the UODO stated that the incident concerned a ransomware attack which affected students and employees. In addition, the UODO highlighted that SWPS University, which is the data controller, had not informed the data subjects of this violation, at the time the report was made to the UODO.
You can read the press release, only available in Polish, here.