HackingHealthcareHealthcareDelayed DiscoveryIdentity (basic)LowContained

Tri-City Healthcare District

bd_dc5cdcf78bf65121 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 9, 2023

Filed

Oct 11, 2024

To disclose

48 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

66%

Full breach record for Tri-City Healthcare District →4 incidents on file

Tri-City Healthcare District notified Vermont AG of a data breach where an unknown actor accessed the network around Nov 8, 2023. The incident was discovered on Nov 9, 2023. Personal information, including names, was compromised. The District engaged cybersecurity experts, notified the FBI and DHS, and offered credit monitoring services to affected individuals.

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Vermont clock✗ VT AG >45 bday48 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 · 1 days

discovery → filing · 48 weeks / 337 days

Nov 8, 2023

Begins

Nov 9, 2023

Discovered

Oct 11, 2024

Filed

vs. sector median

+37 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_e4342a20956313882024-10-12 · +1dVerified
California State AGbd_fbab899607e330142024-10-12 · +1dCandidate
New Hampshire State AGbd_90f32ce204efbcf62024-10-14 · +3dVerified

Name: Tri-City Healthcare District
norm: tri city healthcare district

Name: Tri-City Healthcare District
norm: tri city healthcare district
Industry: Healthcarellm

Discovered: Nov 9, 2023
Breach occurred: Nov 8, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Oct 11, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified the Federal Bureau of InvestigationNotified U.S. Department of Homeland Security
Initial access: exploit_public_facing

During the incident: Engaged leading cybersecurity experts to assist with an investigation
Notified the Federal Bureau of Investigation
Notified U.S. Department of Homeland Security
Offering complimentary credit monitoring and identity theft protection services through IDX
Changes made: Implemented additional security features to reduce the risk of a similar incident occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 48 weeks(337 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 · 4 filings · 4 states

View merged incident ↗

Vermont State AGOct 11 · first · this page

Maine State AG+1d

California State AG+1d

New Hampshire State AG+3d

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/2024-10-11-tri-city-hosptial-district-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 11, 2024
Raw hash: 985e923351cc86dc117e0a6324a97d45e4e48261997899978aadcbd0d59b3ab6

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityTri-City Healthcare District

Victim entityTri-City Healthcare District

Incidentdiscovered Nov 9, 2023

Stated responseEngaged leading cybersecurity experts to assist with an investigation

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov