HackingManufacturingManufacturingSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDMediumContained

Champion Home Builders, Inc.

bd_734237ecff6b1512 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 20, 2025

Filed

Mar 31, 2025

To disclose

11 days

Affected

3state residents only

Linked

2 filings

Confidence

66%

Full breach record for Champion Home Builders, Inc. →

Champion Home Builders, Inc. notified the Maine AG of a breach involving its third-party vendor, Cleo Harmony. The incident occurred on Jan 16, 2025, was discovered on Mar 20, 2025, and affected 3 individuals (including 3 Maine residents). Personal information was accessed via the vendor. Notification was sent on Mar 31, 2025.

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Date basis clock✓ Clock withheld · confirmation date11 days discovery → filing

Incident timeline

undetected · 63 days

discovery → filing · 11 days

Jan 16, 2025

Begins

Mar 20, 2025

Discovered

Mar 31, 2025

Filed

vs. sector median

9 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_f9b2be3d8ea89c8d2025-03-31Verified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Champion Home Builders, Inc.
norm: champion home builders
Industry: Manufacturingllm

Discovered: Mar 20, 2025
Breach occurred: Jan 16, 2025
Undetected for: 63 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 31, 2025
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Third party: via Cleo Harmony
Initial access: supply_chain

During the incident: Opened an investigation with the assistance of external cybersecurity professionals
Conducted an extensive forensic investigation and manual review
Sent written notification to affected individuals
Changes made: Continually evaluates and modifies practices and internal controls to enhance security and privacy
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 days(11 days from discovery to filing)
Compliance flags: Clock withheld · confirmation date

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGMar 31 · first

Maine State AGMar 31 · first · this page

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/18304f27-770e-4948-b168-3030b2e703df.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 31, 2025
Raw hash: 9088998c09532d5d261fdfa9b3e5642897d2f6dbf32b3560b8124cf63cc773a8

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityChampion Home Builders, Inc.

Incidentdiscovered Mar 20, 2025

Stated responseOpened an investigation with the assistance of external cybersecurity professionals

ComplianceClock withheld · confirmation date

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov