Deezer was named in May 2026 actor-claim reporting about a leaked Russian-region user subset.
The reported dataset size was 2,557,577 records, with alleged fields including user IDs, names, gender, date of birth, email address, and locale metadata. This entry is tracked as actor-claimed pending broader independent confirmation from the company or regulators.
Canonical record: https://breachhistory.com/deezer/deezer2026-russian-subset.
Sources: DarkWebInformer, VECERTRadar