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March 1, 2018 Verified Airline

Cathay Pacific Data Breach

In March 2018, Hong Kong flag carrier Cathay Pacific and its regional subsidiary Cathay Dragon suffered an unauthorized intrusion into their passenger reservation and IT network.

9.4 Million
Affected People
7
Data Types
Critical
Severity
Oct 27, 2026
Last updated

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Exposed Data Types

7
  • Names
  • Passport numbers
  • Government issued IDs
  • Dates of birth
  • Phone numbers
  • Email addresses
  • Reservation and travel information

Breach Details

Company NameCathay Pacific Airways Limited
SectorAirline
CountryHong Kong
Websitecathaypacific.com
Breach DateMarch 1, 2018
Sourcenews.cathaypacific.com(opens in a new tab)bleepingcomputer.com(opens in a new tab)pcpd.org.hk(opens in a new tab)
Last updatedOctober 27, 2026

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About This Breach

Publicly disclosed in October 2018, the breach compromised sensitive personal data for approximately 9.4 million passengers, including passport numbers, identity card details, travel history, and contact records.

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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