Carnival data breach hits Holland America loyalty program
SpilloverSpillover from the Carnival incident · View original incident →A data breach at Carnival Corporation also affected Mariner Society, the loyalty program of Holland America Line. The specific scale of the damage, the data leaked, the date of the incident and the response have not been confirmed.
Key facts
- Affected organization
- Holland America Line
- Original incident
- Carnival employee account takeover exposes data of about 5.99 million people
- Incident type
- Data breach
- Occurred / detected
- Not confirmed
- Scale of damage
- Not confirmed
- Cause / method
- Not confirmed
- Location
- United States
If your data was exposed
- Don’t tap links in texts, calls or emails that mention this incident and offer compensation, refunds or breach checks. Check directly on the organization’s official website or app.
Timeline
- It emerged that Holland America Line's Mariner Society had been affected by the Carnival Corporation data breach.
Original incident
This is spillover from the Carnival incident.
Carnival employee account takeover exposes data of about 5.99 million people
6MImpact: Personal information of about 5.99 million people
A social engineering attack targeting employee accounts at cruise operator Carnival led to the leak of personal information of about 5.99 million travelers. Carnival disclosed the data breach in May 2026. A class action was filed over delays in notifying customers, and Texas authorities opened an investigation into the incident, which affected more than 800,000 residents.
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The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.