HackingHealthcareHealthcareTargetedIdentity (basic)HighContained

Tri-City Healthcare District

bd_e4342a2095631388 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 9, 2023

Filed

Oct 12, 2024

To disclose

48 weeks

Affected · nationwide

108,14914 in this filing

Linked

4 filings

Confidence

65%

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

Tri-City Healthcare District experienced an external system breach (hacking) on November 8, 2023. The incident affected 108,149 individuals, including 14 Maine residents. Personal information, specifically names and other personal identifiers, was accessed. The breach was discovered on November 9, 2023, and notifications were sent on October 11, 2024. The organization engaged cybersecurity experts, notified the FBI and DHS, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Nov 9, 2023 → Filed with AG Oct 12, 2024338d ⏱ ME AG >30d48 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 / 338 days

Nov 8, 2023

Begins

Nov 9, 2023

Discovered

Oct 12, 2024

Filed

vs. sector median

+39 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

California State AGbd_fbab899607e330142024-10-12Candidate
Vermont State AGbd_dc5cdcf78bf651212024-10-11 · +1dVerified
New Hampshire State AGbd_90f32ce204efbcf62024-10-14 · +2dVerified

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: 108,149state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
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
Offered 12 months of 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: 48 weeks(338 days from discovery to filing)
Compliance flags: ME AG >30d · 338dME resident >60d · 337d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Nov 9, 2023
→ Filed with AG: Oct 12, 2024
338d 30 days (soft) ME AG >30d
Maine
Discovered: Nov 9, 2023
→ Notified: Oct 11, 2024
337d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 9, 2023 → Filed with AG: Oct 12, 2024	338d	30 days (soft)	ME AG >30d
Maine	Discovered: Nov 9, 2023 → Notified: Oct 11, 2024	337d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGOct 11 · first

California State AG+1d

Maine State AG+1d · this page

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/9df35810-be44-43ff-8ab6-6ecac7a8ef5a.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 12, 2024
Raw hash: 9ccd9ea1080ec0aa7cbe05f96f3fd9b88d6f2a2923cdfd50040347291a10b449

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

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov