HackingHealthcareHealthcareCustomer Data InvolvedDelayed DiscoveryPIIIdentity (basic)LowContained

Tri-City Healthcare District

bd_90f32ce204efbcf6 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 9, 2023

Filed

Oct 14, 2024

To disclose

49 weeks

Affected

17state residents only

Linked

4 filings

Confidence

66%

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

Tri-City Healthcare District issued a supplemental notice to New Hampshire residents regarding a data security incident. The district became aware of unusual network activity on November 9, 2023, following unauthorized access on November 8, 2023. The incident affected 17 New Hampshire residents. The district engaged cybersecurity experts, notified the FBI and DHS, and offered credit monitoring services.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 49 weeks / 340 days

Nov 8, 2023

Begins

Nov 9, 2023

Discovered

Sep 27, 2024

Scope determined

Oct 14, 2024

Filed

vs. sector median

+40 wks slower

This filing is one of 4 filings 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 · +2dVerified
California State AGbd_fbab899607e330142024-10-12 · +2dCandidate
Vermont State AGbd_dc5cdcf78bf651212024-10-11 · +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: Sep 27, 2024
Notification sent: Oct 11, 2024
Affected individuals: 17state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire regulatory authoritiesNotified the Federal Bureau of InvestigationNotified U.S. Department of Homeland Security

During the incident: Took immediate steps to secure its digital environment
Launched an investigation
Engaged leading cybersecurity experts to assist with an investigation
Conducted a comprehensive review of the affected data
Notified the Federal Bureau of Investigation
Notified U.S. Department of Homeland Security
Offered complimentary credit monitoring and identity 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: 49 weeks(340 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGOct 11 · first

Maine State AG+1d

California State AG+1d

New Hampshire State AG+3d · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/tri-city-healthcare-district-20241014.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 14, 2024
Raw hash: 0fb07f324115b013ebf60e81976fca6fb044225abbd056555f65c13bf33d49fe

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityTri-City Healthcare District

Victim entityTri-City Healthcare District

Incidentdiscovered Nov 9, 2023

Stated responseTook immediate steps to secure its digital environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov