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WestJet Breach Exposed Data of 1.2 Million Passengers, Including Passports

Notifications follow confirmation that passports plus other ID details were taken.

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 pegs the exposure at roughly 1.2 million passengers, including 240 residents of Maine.
  • Exposed data varies by person and can include names, dates of birth, mailing addresses, travel documents such as passports or government IDs, and reservation-related details, while payment card data and passwords were not taken.
  • WestJet says the June 13 intrusion impacted internal systems and its app but not flight operations, with core services restored within about two days.
  • The airline completed a key forensic review around September 15, has begun notifying affected individuals, and is offering two years of identity and fraud protection.
  • WestJet is cooperating with the FBI and Canadian cyber authorities and has alerted regulators, while media have linked the incident to Scattered Spider without any official attribution.