Data stolen during a ransomware attack
https://www.bleepingcomputer.com/news/security/italian-celebs-data-exposed-in-ransomware-attack-on-siae/
The Italian data protection authority Garante per la Protezione dei Dati Personali (GPDP) has announced an investigation into a data breach of the country’s copyright protection agency.
Società Italiana degli Autori ed Editori (SIAE) is a government agency responsible for protecting the intellectual property rights of copyright holders' creative works.