UnknownHealthcareHealthcareGovernment IDHealth (basic)Medium

ACADIAN AMBULANCE SERVICE, INC.

bd_fde5016726b37ef7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 8, 2024

To disclose

—

Affected

476state residents only

Linked

5 filings

Confidence

95%

Full breach record for ACADIAN AMBULANCE SERVICE, INC. →2 incidents on file

Acadian Ambulance Service, Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-11-08. 476 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

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

Incident timeline — partial

? — ?

Breach window unknown

Nov 8, 2024

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 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Vermont State AGbd_cb0fcc1c342398512024-11-08Verified
Oregon State AGbd_4f321266f3287ea52024-11-07 · +1dCandidate
California State AGbd_9998d911f6b37afd2024-11-07 · +1dVerified
Illinois State AGbd_182dfbfe785087c22024-11-01 · +7dVerified

Name: ACADIAN AMBULANCE SERVICE, INC.
norm: acadian ambulance service

Name: ACADIAN AMBULANCE SERVICE, INC.
norm: acadian ambulance service
Industry: Healthcareregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 476state-resident count only
Data types: Government IDHealth (basic)
Data elements: Social Security numberMedical information
Stated not affected: Financial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown
Threat actor: External

Compliance flags: MA 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.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Illinois State AGNov 1 · first

Oregon State AG+6d

California State AG+6d

Vermont State AG+7d

Massachusetts State AG+7d · this page

Pattern: first filing Nov 1 (IL), last Nov 8 (MA) — a 7-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.mass.gov/doc/data-breach-report-2024/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 8, 2024
Raw hash: 308808f331bac9de9b7a7310733a18a3ad3103066e87e0b3025e5f840e5769d7

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityACADIAN AMBULANCE SERVICE, INC.

Victim entityACADIAN AMBULANCE SERVICE, INC.

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov