HackingHealthcareGovernmentHealthcareSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedPHIIdentity (basic)Government IDMediumContained

South Central Public Health District

bd_97a614d65e92acf2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 9, 2025

Filed

Dec 11, 2025

To disclose

2 days

Affected

154

Confidence

67%

Full breach record for South Central Public Health District →

South Central Public Health District (Idaho) notified the AG that its vendor, TriZetto Provider Solutions (TPS), experienced a breach. Unauthorized access to historical eligibility reports containing PHI, SSNs, and PII occurred starting Nov 2024. ~154 individuals affected. Incident discovered Dec 9, 2025. Mandiant engaged; threat removed. No financial data involved.

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Incident timeline

undetected · 403 days

discovery → filing · 2 days

Nov 1, 2024

Begins

Dec 9, 2025

Discovered

Dec 11, 2025

Filed

vs. sector median

11 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed154 affectedView incident

Name: South Central Public Health District
norm: south central public health district

Name: South Central Public Health District
norm: south central public health district
Industry: HealthcarellmGovernmentllm

Discovered: Dec 9, 2025
Breach occurred: Nov 1, 2024
Undetected for: 403 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 154nationwide
Data types: PHIIdentity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1119 Automated Collection
Threat actor: External
Regulator citations: Notified Idaho Attorney General Consumer Protection Division
Initial access: supply_chain

During the incident: Engaged Mandiant to assist with the investigation
Removed the threat from their environment
Reported the incident to law enforcement
Changes made: Offering complimentary credit monitoring, fraud consultation, and identity theft restoration services through Kroll
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 2 days(2 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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.ag.idaho.gov/content/uploads/2025/12/2025-12-11-South-Central-Public-Health-District.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 11, 2025
Raw hash: eebbae5b47c81629bf7a941774119cef6389c8b3dd597cf2d4d14efdba964d75

Reporting entitySouth Central Public Health District

Victim entitySouth Central Public Health District

Incidentdiscovered Dec 9, 2025

Stated responseEngaged Mandiant to assist with the investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.ag.idaho.gov