UnknownHealthcareHealthcareGovernment IDPCIFinancial accountMedium

Legacy Treatment Services

bd_97b1aec79c02d38f · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Aug 23, 2025

To disclose

—

Affected

4state residents only

Linked

2 filings

Confidence

95%

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

Legacy Treatment Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-08-23. 4 Massachusetts residents were affected.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Aug 23, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

A leak claim by interlock about this victim predates this filing by 300 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinterlockbd_a5cca2428c9c10042024-10-26 · +301dVerified by operator

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

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

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 4state-resident count only
Data types: Government IDPCI
Data elements: Social Security numberDriver's licence numberPayment card number
Stated not affected: Medical informationFinancial account number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: Leak >180dMA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

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.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 23, 2025
Raw hash: b16800818c9c1523d7ecd8f17b12305a8cc38a04134d9c0c6e4546d492431c2b

Linked disclosures

Ransomware claims (1)

Reporting entityLegacy Treatment Services

Victim entityLegacy Treatment Services

IncidentUnknown

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov