HackingHealthcareHealthcareVulnerability ExploitData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

Legacy Treatment Services

bd_eb554231f98f2204 · schema v1 · pii pii-v1

Severity

High

Discovered

Jul 18, 2024

Filed

Aug 22, 2025

To disclose

13 months

Affected · nationwide

41,8262 in this filing

Linked

5 filings

Confidence

65%

Full breach record for Legacy Treatment Services →2 incidents on file

Legacy Treatment Services, Inc. reported an external system breach (hacking) occurring between October 6-11, 2024. The incident impacted approximately 41,826 individuals, including 2 Maine residents. Personal information potentially accessed included names and government identifiers. Notices were sent on August 22, 2025, offering 12 months of identity theft protection.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 18, 2024 → Filed with AG Aug 22, 2025400d ✗ ME AG >90d13 months 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

Oct 6, 2024

Begins

Aug 22, 2025

Filed

vs. sector median

+45 wks slower

This filing is one of 5 about the same incident.View merged incident

A leak claim by interlock about this victim predates this filing by 299 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_1b6f00452a58973e2025-08-22Verified by operator
Vermont State AGbd_2163f16572f12a4f2025-08-22Verified by operator
New Hampshire State AGbd_c53e05a41e7e09342025-08-25 · +3dVerified by operator
HHS OCRbd_5a4c54d35d7bfc7e2024-12-31 · +234dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Legacy Treatment Services
norm: legacy treatment
Domain: legacytreatment.org
Industry: Healthcarellm

Discovered: Jul 18, 2024
Breach occurred: Oct 6, 2024 – Oct 11, 2024
Materiality determined: —
Notification sent: Aug 22, 2025
Affected individuals: 41,826state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Notified law enforcement
Working very closely with external cybersecurity professionals
Offering identity theft protection services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(400 days from discovery to filing)
Compliance flags: ME AG >90d · 400dME resident >180d · 400dLeak >180d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jul 18, 2024
→ Filed with AG: Aug 22, 2025
400d 90 days ME AG >90d
Maine
Discovered: Jul 18, 2024
→ Notified: Aug 22, 2025
400d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 18, 2024 → Filed with AG: Aug 22, 2025	400d	90 days	ME AG >90d
Maine	Discovered: Jul 18, 2024 → Notified: Aug 22, 2025	400d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

HHS OCRDec 31 · first

Indiana State AG+234d

Vermont State AG+234d

Maine State AG+234d · this page

New Hampshire State AG+237d

Pattern: first filing Dec 31 (NJ), last Aug 25 (NH) — a 237-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/c82f893a-b2f7-4c1f-b512-8273bbc51586.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 22, 2025
Raw hash: f67208c53dae8a008bcbbfab9264b56f1a9f86929790378a60472579e400114d

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityLegacy Treatment Services

Incidentdiscovered Jul 18, 2024

Stated responseNotified law enforcement

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov