HackingHealthcareHealthcareStolen CredentialsCapture Stored DataData ExfiltratedIdentity (basic)Health (basic)PHILowContained

ACADIAN AMBULANCE SERVICE, INC.

bd_cb0fcc1c34239851 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jun 21, 2024

Filed

Nov 8, 2024

To disclose

20 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

66%

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

Acadian Ambulance Service, Inc. notified Vermont consumers of a data breach occurring June 19-21, 2024. Unauthorized access to the network resulted in the exfiltration of names, addresses, and medical information (diagnoses, medications, treatments). Acadian engaged third-party specialists, reported to federal law enforcement, and offered credit monitoring services.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday20 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 · 2 days

discovery → filing · 20 weeks / 140 days

Jun 19, 2024

Begins

Jun 21, 2024

Discovered

Nov 8, 2024

Filed

vs. sector median

+11 wks slower

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

Massachusetts State AGbd_fde5016726b37ef72024-11-08Verified
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: Healthcarellm

Discovered: Jun 21, 2024
Breach occurred: Jun 19, 2024 – Jun 21, 2024
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 8, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Health (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: reported this event to federal law enforcement and government regulators
Initial access: valid_credentials

During the incident: Took steps to secure our systems
Launched an investigation with the assistance of third-party computer specialists
Reported this event to federal law enforcement and government regulators
Offering you 12/24 months of credit monitoring and identity restoration services at no cost to you through CyEx
Changes made: Reviewing its policies, procedures and processes to reduce the likelihood of a similar future event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(140 days from discovery to filing)
Compliance flags: VT AG >45 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 ↗

Illinois State AGNov 1 · first

Oregon State AG+6d

California State AG+6d

Massachusetts State AG+7d

Vermont State AG+7d · this page

Pattern: first filing Nov 1 (IL), last Nov 8 (VT) — 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://ago.vermont.gov/document/2024-11-08-acadian-ambulance-service-data-breach-notice-consumers
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: 2489f04d6db0cf2b4913cd69aa7f4f8b114147d0c8845a21c6ac7e62341f8f0e

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityACADIAN AMBULANCE SERVICE, INC.

Victim entityACADIAN AMBULANCE SERVICE, INC.

Incidentdiscovered Jun 21, 2024

Stated responseTook steps to secure our systems

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov