HackingHealthcareHealthcareStolen CredentialsData ExfiltratedIdentity (basic)LowContained

Legacy Treatment Services

bd_2163f16572f12a4f · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 18, 2025

Filed

Aug 22, 2025

To disclose

5 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

64%

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

Legacy Treatment Services, Inc. reported a cybersecurity incident impacting network connectivity. Unauthorized access and acquisition of personal data (names) occurred between Oct 6-11, 2024. Incident discovered July 18, 2025. Law enforcement notified. IDX identity protection services offered. No evidence of misuse. Rhode Island residents impacted.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday5 weeks 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

undetected · 285 days

discovery → filing · 5 weeks / 35 days

Oct 6, 2024

Begins

Jul 18, 2025

Discovered

Aug 22, 2025

Filed

vs. sector median

4 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_1b6f00452a58973e2025-08-22Verified by operator
Maine State AGbd_eb554231f98f22042025-08-22Verified by operator
New Hampshire State AGbd_c53e05a41e7e09342025-08-25 · +3dVerified by operator
HHS OCRbd_5a4c54d35d7bfc7e2024-12-31 · +234dVerified

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

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

Discovered: Jul 18, 2025
Breach occurred: Oct 6, 2024 – Oct 11, 2024
Undetected for: 285 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 20, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Commenced a prompt and thorough investigation
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: 5 weeks(35 days from discovery to filing)
Compliance flags: VT AG >14 bday
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.

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

Maine State AG+234d

Vermont 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://ago.vermont.gov/document/2025-08-22-legacy-treatment-services-data-breach-notice-consumers
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: b61971b1afee869001766c1b4f8a487ee935ee350126557c3e626538b65b3225

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityLegacy Treatment Services

Victim entityLegacy Treatment Services

Incidentdiscovered Jul 18, 2025

Stated responseCommenced a prompt and thorough investigation

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov