All Nippon Airways (ANA) Data Breach
Japan's largest airline, All Nippon Airways Co., Ltd. (ANA), disclosed on October 30, 2026, that the Amadeus Altéa Passenger Service System (PSS) used for its international flights suffered unauthorized external access between September 23 and September 28, 2026.
Exposed Data Types
9- Names
- Email addresses
- Phone numbers
- Passport numbers
- Dates of birth
- Genders
- Nationalities
- Travel reservation details
- User IDs
About This Breach
Approximately 37,800 international passengers were affected by the incident.
For roughly 36,100 travelers, exposed fields were restricted to basic reservation data including passenger names, flight numbers, e-ticket numbers, and booking references. For the remaining 1,700 passengers, contact details, ANA Mileage Club membership numbers, dates of birth, gender, nationality, and passport information were also accessed. Credit card details and passwords were not compromised.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
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