On June 13, WestJet posted a notice about a cybersecurity incident. They updated it on Saturday:
WestJet is aware of a cybersecurity incident involving internal systems and the WestJet app, which has restricted access for several users. We have activated specialized internal teams in cooperation with law enforcement and Transport Canada to investigate the matter and limit impacts.
We are expediting efforts to maintain the safety of our operation and safeguard sensitive data and personal information for both our guests and employees, and we apologize to all guests for any disruption to their access to WestJet’s services.
It is too early to speculate on details, though we are committed to sharing what we know as information becomes available. WestJet advises that guests and employees exercise additional caution at this time, especially when sharing personal information.
The June 14 update:
WestJet continues to respond to a cybersecurity incident that is affecting access to some services and software systems.
Our operation is running safely and remains unaffected by the current situation at this time. We are actively working to understand the extent of impact and have expedited resolution efforts. We apologize to our guests and employees for any interruptions they may be experiencing as a result.
WestJet is committed to providing regular updates to maintain transparency and will update this page every 12 hours, or sooner if required, as any additional information becomes available.
Source: WestJet