Carnival Corporation officially disclosed a massive data breach affecting 5,995,277 cruise travelers after hackers compromised an employee account through a social engineering attack. The breach, which was first detected on April 14, 2026, exposed highly sensitive personal and identification data from customers across multiple Carnival-owned brands.
Compromised Information
- Full names and physical addresses.
- Email addresses and phone numbers.
- Dates of birth and gender.
- Passport numbers.
- Driver’s license numbers.
- Mariner Society loyalty program status (particularly affecting Holland America passengers
Remediation and Next Steps
- Free Credit Monitoring: Carnival is offering U.S. victims two years of complimentary credit monitoring services via TransUnion.
- Dedicated Support: Customers with questions can contact the TransUnion call center directly at 1-844-593-8310.
- Security Actions: Cybersecurity experts recommend placing a fraud alert or credit freeze on your credit files at Equifax, Experian, and TransUnion. If you suspect your passport number has been fraudulently used, you should contact the U.S. State Department.











