HackingTransportation & LogisticsTransportationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

WestJet, an Alberta Partnership

bd_078db9afda69701f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 13, 2025

Filed

Sep 30, 2025

To disclose

16 weeks

Affected

Not disclosed

Linked

14 filings

Confidence

65%

Full breach record for WestJet, an Alberta Partnership →

WestJet experienced a cybersecurity incident on June 13, 2025, where a sophisticated criminal third party gained unauthorized access to systems holding personal information. The incident is now resolved. Affected data includes names, dates of birth, mailing addresses, and travel document information (passports/government IDs). Credit card numbers and passwords were not compromised. WestJet reported the incident to the FBI and is offering 24 months of identity monitoring to affected US residents.

J jump to incidentP pin to compareR raw source

California clockDiscovered Jun 13, 2025 → Notified Sep 15, 202594d ✗ CA 60-day late16 weeks discovery → filing

Incident timeline

discovery → filing · 16 weeks / 109 days

Jun 13, 2025

Begins

Jun 13, 2025

Discovered

Sep 30, 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

Maine State AGbd_d8c21e8e887f55602025-09-30Verified
Indiana State AGbd_08b8ad67ebdf12712025-09-29 · +1dVerified
South Carolina State AGbd_21b3fba3dd8e7bd92025-09-29 · +1dVerified
Montana State AGbd_46b2ae93fc4dc8f22025-09-29 · +1dCandidate

Show 6 more filings ↓up to 7d gap

New Hampshire State AGbd_6a4e87d06919f5df2025-09-29 · +1dVerified
Vermont State AGbd_a368060b3708eac52025-09-29 · +1dVerified
Oregon State AGbd_0dd2d099a5ac7f742025-10-03 · +3dVerified
Washington State AGbd_75d83581529d1d882025-10-03 · +3dVerified
Massachusetts State AGbd_7cf756e8a180c7a72025-10-04 · +4dVerified
Texas State AGbd_4405e7fd2d88d7fb2025-10-07 · +7dVerified

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
Breach occurred: Jun 13, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 15, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Reported the incident to law enforcement, including the Federal Bureau of Investigation

During the incident: Immediately investigated and determined that these were the actions of a sophisticated criminal third party
Took immediate steps to secure our environment
Started a technical and forensic investigation to identify the nature and scope of the event
Reported the incident to law enforcement, including the Federal Bureau of Investigation
Cooperating in their investigation
Changes made: Examined our system to minimize the risk of a similar incident occurring in the future
Offering an identity theft and monitoring solution free of charge for 24 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(109 days from discovery to filing)
Compliance flags: CA 60-day late · 94d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Jun 13, 2025
→ Notified: Sep 15, 2025
94d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Jun 13, 2025 → Notified: Sep 15, 2025	94d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

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

Montana State AGSep 29 · first

New Hampshire State AGSep 29 · first

Vermont State AGSep 29 · first

Maine State AG+1d

California State AG+1d · this page

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://oag.ca.gov/ecrime/databreach/reports/sb24-612023
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 30, 2025
Raw hash: 03f6ee9effd10c844f512eb547915fb00ffe8ed627ba8340a12587ac54a6eb05

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityWestJet, an Alberta Partnership

Victim entityWestJet, an Alberta Partnership

Incidentdiscovered Jun 13, 2025

Stated responseImmediately investigated and determined that these were the actions of a sophisticated criminal third party

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov