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WestJet Begins U.S. Notifications After Cyber Breach Exposed Personal Data

The airline says containment is complete with forensic analysis still underway.

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
WestJet has alerted American customers to a cyber security incident that saw some travel documents and personal information exposed.

Overview

  • WestJet detected unauthorized access on June 13 by a sophisticated criminal actor and reports it has implemented additional security measures after containing the incident.
  • Exposed data can include names, contact details, travel information and related documents, while no credit or debit card numbers, expiration dates, CVV codes or user passwords were taken.
  • The carrier is working with the FBI and the Canadian Centre for Cyber Security and has notified U.S. state attorneys general along with TransUnion, Experian and Equifax.
  • Affected customers are being contacted directly, with fraud assistance and remediation services provided through Cyberscout and guidance posted on WestJet’s website.
  • The disclosure arrives as aviation faces rising cyber threats, highlighted by a recent ransomware attack on Collins Aerospace that disrupted operations at major European airports.