HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedDelayed DiscoveryPHIIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Tombigbee Healthcare Authority

bd_e01876784872e99c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 8, 2025

Filed

Jul 23, 2026

To disclose

14 months

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for Tombigbee Healthcare Authority →2 incidents on file

Tombigbee Healthcare Authority dba Whitfield Regional Hospital notified the NH Attorney General of a cybersecurity incident affecting 2 New Hampshire residents. Unauthorized access occurred between May 15, 2025, and June 8, 2025, and was detected on June 8, 2025. Affected data may include names, dates of birth, medical information, financial account information, driver's license numbers, and Social Security numbers. The hospital secured its network, engaged forensic investigators, and is offering 12 months of credit monitoring.

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Incident timeline

undetected · 24 days

discovery → filing · 14 months / 410 days

May 15, 2025

Begins

Jun 8, 2025

Discovered

Jul 23, 2026

Filed

vs. sector median

+48 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

Massachusetts State AGbd_6d02dfbff9534a392026-07-17 · +6dVerified
Nebraska State AGbd_fe79a01bdb58b9a22026-07-17 · +6dVerified
Illinois State AGbd_3d1e8ad304d79a662026-07-01 · +22dVerified

Name: Tombigbee Healthcare Authority dba Whitfield Regional Hospital
norm: tombigbee healthcare authority whitfield regional hospital

Name: Tombigbee Healthcare Authority
norm: tombigbee healthcare authority
Also named: Tombigbee Healthcare Authoritydba oflegal entity
Whitfield Regional Hospitaldba oftrade name
Industry: Healthcarellm

Discovered: Jun 8, 2025
Breach occurred: May 15, 2025 – Jun 8, 2025
Undetected for: 24 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 16, 2026
Affected individuals: 2state-resident count only
Data types: PHIIdentity (basic)Government IDFinancial accountHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General

During the incident: Secured our network
Reported the incident to law enforcement
Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals experienced in handling these types of incidents
Changes made: Offering complimentary access to Experian IdentityWorks for 12 months
Providing information on placing a Fraud Alert and Security Freeze on credit files
Providing information on obtaining a free credit report
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 months(410 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 ↗

Illinois State AGJul 1 · first

Massachusetts State AG+16d

Nebraska State AG+16d

New Hampshire State AG+22d · this page

Pattern: first filing Jul 1 (IL), last Jul 23 (NH) — a 22-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://mm.nh.gov/files/uploads/doj/remote-docs/tombigbee-healthcare-authority-whitfield-regional-hospital-20260723.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 23, 2026
Raw hash: 2d53d39cad73bf58b75557e4ec7c9047b40257cb235dad93019fff9d161b4311

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityTombigbee Healthcare Authority dba Whitfield Regional Hospital

Victim entityTombigbee Healthcare Authority

Incidentdiscovered Jun 8, 2025

Stated responseSecured our network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov