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WestJet Breach Exposed Data of 1.2 Million Passengers, Including Some Passports

The airline reports no card numbers or passwords were taken, with customer notifications underway plus two years of identity protection.

A WestJet airplane takes off from the airport in Calgary, Alberta, Canada July 10, 2023. REUTERS/Todd Korol
Calgary-based Westjet said Monday that some passengers personal information was exposed during a cyberattack on June 13, but said it believes, in most cases, it did not involve "sensitive" data.
WestJet says some passengers' personal information was obtained in a cyberattack in June, however it believes the breach did not involve "sensitive" data in most cases. WestJet passengers deplane on the tarmac at Yellowknife Airport on Tuesday, July 22, 2025. THE CANADIAN PRESS/Jeff McIntosh
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Overview

  • A filing with Maine’s attorney general indicates 1.2 million passengers were affected, including 240 residents of that state.
  • Exposed information varies by person and can include names, dates of birth, postal addresses, travel documents such as passports or government IDs, accommodation requests or complaints, and WestJet Rewards details.
  • WestJet says attackers did not obtain credit or debit card numbers, expiration dates, CVV codes, or account passwords.
  • The company completed its forensic analysis on September 15, has begun notifying identified U.S. residents, and is offering two years of identity protection via TransUnion with support from Cyberscout.
  • WestJet is working with the FBI and the Canadian Centre for Cyber Security, reports no impact on flight operations or known misuse of the data, and continues to assess the breach’s full scope.