HackingTransportation & LogisticsTransportationStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDPIIMediumResolved

WestJet, an Alberta Partnership

bd_46b2ae93fc4dc8f2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 13, 2025

Filed

Sep 29, 2025

To disclose

15 weeks

Affected

481state residents only

Linked

14 filings

Confidence

66%

Full breach record for WestJet, an Alberta Partnership →

WestJet disclosed a resolved cybersecurity incident discovered on June 13, 2025. A sophisticated criminal third party gained unauthorized access to systems holding personal information. Data involved included names, DOBs, addresses, and travel document details. No credit card numbers or passwords were compromised. WestJet reported the incident to the FBI and offered 24 months of free identity monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 15 weeks / 108 days

Jun 13, 2025

Discovered

Sep 29, 2025

Filed

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
South Carolina State AGbd_21b3fba3dd8e7bd92025-09-29Verified
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: Transportation & Logisticsllm

Discovered: Jun 13, 2025
Materiality determined: —
Notification sent: —
Affected individuals: 481state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Reported the incident to law enforcement, including the Federal Bureau of Investigation
Initial access: valid_credentials

During the incident: Reported the incident to law enforcement, including the Federal Bureau of Investigation
Cooperating in their investigation
Engaged internal and external experts for technical and forensic investigation
Took immediate steps to secure environment
Offering an identity theft and monitoring solution free of charge for 24 months
Changes made: Examined our system to minimize the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(108 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Indiana State AGSep 29 · first

South Carolina State AGSep 29 · first

New Hampshire State AGSep 29 · first

Vermont State AGSep 29 · first

Montana 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://dojmt.gov/wp-content/uploads/2025/10/Consumer-notification-letter-1.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: 64458894eb568766ba08172e3e7de21a8cabf8735adf0edc17c99902bcfd9570

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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov