MalwareRetail & ConsumerRetailRansomwareData ExfiltratedData EncryptedCustomer Data InvolvedAuthenticationFinancial accountHealth (basic)Identity (basic)Government IDPHIHighContained

Barrett-Jackson Holdings, LLC

bd_4b01d59387a7543e · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 25, 2024

Filed

Jul 31, 2025

To disclose

35 weeks

Affected

1,048state residents only

Linked

10 filings

Confidence

68%

Full breach record for Barrett-Jackson Holdings, LLC →3 incidents on file

Barrett-Jackson Holdings, LLC filed a supplemental notice with the Washington AG regarding a November 25, 2024 ransomware incident. The breach exposed PII including SSNs, driver's licenses, and financial data for 1,048 Washington residents. Notices were mailed in March, July, and October 2025. Credit monitoring was offered.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d35 weeks discovery → filing

Incident timeline

discovery → filing · 35 weeks / 248 days

Nov 25, 2024

Begins

Nov 25, 2024

Discovered

Jul 31, 2025

Filed

vs. sector median

+27 wks slower

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Oregon State AGbd_09522c67b5b300fb2025-07-31Verified
Maine State AGbd_2e75f0b9172cced92025-07-31Candidate
Vermont State AGbd_43c278520e678e942025-07-31Verified
Massachusetts State AGbd_98808392ec45900c2025-07-31Verified

Show 5 more filings ↓up to 1d gap

California State AGbd_b36a16c82c0a9a072025-07-31Verified
Montana State AGbd_ba0d8f3fdfcc44ec2025-07-31Verified
New Hampshire State AGbd_fd867016215976072025-07-31Verified
Texas State AGbd_827aa3a0c7e5f7eb2025-08-01 · +1dVerified
Maine State AGbd_aaa6b4186ef8a6752025-08-01 · +1dCandidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Barrett-Jackson Holdings, LLC
norm: barrett jackson
Industry: Retail & Consumerllm

Discovered: Nov 25, 2024
Breach occurred: Nov 25, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 23, 2025
Affected individuals: 1,048state-resident count only
Data types: Identity (basic)Government IDFinancial accountAuthenticationHealth (basic)
Data elements: NameSocial Security numberDriver's licence numberFinancial account numberDate of birthPassport numberHealth insurance ID
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 0dexposure 0d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Filed supplemental notice with Washington State Office of the Attorney General

During the incident: Took steps to secure its systems
Initiated an investigation
Provided individuals with guidance on how to better protect against identity theft and fraud
Provided individuals with access to credit monitoring services for twelve (12) months at no cost
Changes made: Working to implement additional safeguards
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(248 days from discovery to filing)
Compliance flags: WA AG >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 9 states

View merged incident ↗

Oregon State AGJul 31 · first

Maine State AGJul 31 · first

Vermont State AGJul 31 · first

Massachusetts State AGJul 31 · first

California State AGJul 31 · first

Montana State AGJul 31 · first

New Hampshire State AGJul 31 · first

Washington State AGJul 31 · first · this page

Texas State AG+1d

Maine State AG+1d

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA34193.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 31, 2025
Raw hash: a0690be46ecb3e1f8c3d3d92f48485fd2bb7010f056a4affd0573172b1c83d4b

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityBarrett-Jackson Holdings, LLC

Incidentdiscovered Nov 25, 2024

Stated responseTook steps to secure its systems

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com