HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighResolved

WestJet, an Alberta Partnership

bd_21b3fba3dd8e7bd9 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 13, 2025

Filed

Sep 29, 2025

To disclose

15 weeks

Affected

1,177state residents only

Linked

14 filings

Confidence

66%

Full breach record for WestJet, an Alberta Partnership →

WestJet, an Alberta Partnership, disclosed a cybersecurity incident identified on June 13, 2025, involving unauthorized access by a sophisticated criminal third party. The incident is now resolved. Personal information potentially affected includes names, dates of birth, mailing addresses, and travel document details (passport/government ID). Credit card numbers, CVVs, and passwords were not compromised. WestJet reported the incident to the FBI and is cooperating with the investigation. Affected US residents were offered 24 months of complimentary credit monitoring and identity theft protection via TransUnion.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 15 weeks / 108 days

Jun 13, 2025

Discovered

Sep 29, 2025

Filed

vs. sector median

+4 wks slower

This filing is one of 14 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_08b8ad67ebdf12712025-09-29Verified
Montana State AGbd_46b2ae93fc4dc8f22025-09-29Candidate
New Hampshire State AGbd_6a4e87d06919f5df2025-09-29Verified
Vermont State AGbd_a368060b3708eac52025-09-29Verified

Show 6 more filings ↓up to 8d gap

California State AGbd_078db9afda69701f2025-09-30 · +1dVerified
Maine State AGbd_d8c21e8e887f55602025-09-30 · +1dVerified
Oregon State AGbd_0dd2d099a5ac7f742025-10-03 · +4dVerified
Washington State AGbd_75d83581529d1d882025-10-03 · +4dVerified
Massachusetts State AGbd_7cf756e8a180c7a72025-10-04 · +5dVerified
Texas State AGbd_4405e7fd2d88d7fb2025-10-07 · +8dVerified

Showing first 10 of 13 linked disclosures.

Name: WestJet, an Alberta Partnership
norm: westjet an alberta partnership
Domain: westjet.com

Name: WestJet, an Alberta Partnership
norm: westjet an alberta partnership
Domain: westjet.com
Industry: Technologyllm

Discovered: Jun 13, 2025
Materiality determined: —
Notification sent: Sep 15, 2025
Affected individuals: 1,177state-resident count only
Data types: Identity (basic)Government ID
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Reported the incident to law enforcement, including the Federal Bureau of Investigation
Initial access: exploit_public_facing

During the incident: Reported the incident to law enforcement, including the Federal Bureau of Investigation, and are cooperating in their investigation
Offered an identity theft and monitoring solution free of charge for 24 months through TransUnion
Changes made: Took immediate steps to secure our environment
Conducted an extensive analysis of that data to identify specific data elements and locate current contact information for certain United States residents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(108 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Indiana State AGSep 29 · first

Montana State AGSep 29 · first

New Hampshire State AGSep 29 · first

Vermont State AGSep 29 · first

South Carolina State AGSep 29 · first · this page

California State AG+1d

Maine State AG+1d

Oregon State AG+4d

Washington State AG+4d

Massachusetts State AG+5d

Texas State AG+8d

Pattern: first filing Sep 29 (IN), last Oct 7 (TX) — a 8-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 13 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2025/Consumer%20Letter%20-%20WestJet.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 29, 2025
Raw hash: 2e7c3868b5a40bb086a3925b75207720f0ba49adcb1ed9a64bcba5ab9df3ad3f

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityWestJet, an Alberta Partnership

Victim entityWestJet, an Alberta Partnership

Incidentdiscovered Jun 13, 2025

Stated responseReported the incident to law enforcement, including the Federal Bureau of Investigation, and are cooperating in their investigation

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov