Carnival Corporation & plc (carnivalcorp.com)
Turizm · ABD
Over 8.7M records containing PII and other terabytes of internal corporate data have been compromised. Pay or Leak. This is a final warning to reach out by 21 Apr 2026 before we leak along with several annoying (digital) problems that'll come your way. Make the right decision, don't be the next headline. | Updated: 18 Apr 2026 | Warning: FINAL WARNING PAY OR LEAK
Data size
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Files
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Ransomware
Unknown
Corroboration in official records
Beyond the gang's leak site, the claim about this organisation also appears in these records:
- Have I Been PwnedOpen source
In April 2026, the notorious hacking collective ShinyHunters claimed they had obtained a substantial volume of data belonging to the Carnival cruise operator and attempted to extort the organisation to prevent the data from being leaked. The following week, the group published the data publicly, which contained 8.7M records with 7.5M unique email addresses. The data contained fields indicating it related to the Mariner Society loyalty program run by Holland America, a cruise line brand under Carnival, and included names, dates of birth, genders and data relating to status within the loyalty program. Carnival acknowledged a phishing incident involving a single user account and advised they were working to better understand the scope of the unauthorised activity.
DayBreach AI intelligence
Timeline
Record updated
Victim announced
Attacker
Shinyhunters
ShinyHunters is a financially motivated data-theft and extortion group active since 2020, responsible for high-profile breaches including Ticketmaster (via Snowflake) and PowerSchool; by 2025 they launched a RaaS offering called "shinysp1d3r," and in August 2025 French authorities arrested four members.