Loyalty program details data breaches

Public breach reports where loyalty program details were listed among exposed data types.

Breaches

Critical

Known affected

7,531,359

Latest report

5/1/2026

Tracked reports

table filter

Critical12d ago

Carnival Corporation

Carnival Corporation suffered a data breach affecting 7.5 million records from its Holland America loyalty program after ShinyHunters claimed to obtain and later published the data.

NamesEmail addressesDates of birth+3 more

7.5M