HackingHealthcareHealthcareStolen CredentialsSupply Chain (3P Vendor)Business Associate (HIPAA)Data ExfiltratedCustomer Data InvolvedDelayed DiscoveryPHIIdentity (basic)Government IDHealth (basic)MediumContained

Henry County Hospital

bd_b9572f43dc105eb0 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jun 26, 2026

Filed

Oct 20, 2026

To disclose

17 weeks

Affected

17state residents only

Linked

3 filings

Confidence

70%

Full breach record for Henry County Hospital →2 incidents on file

Henry County Hospital notified the NH Attorney General of a data security incident involving its third-party vendor, Aesto, LLC. Unauthorized access to Aesto's AWS infrastructure occurred between December 2 and December 18, 2025. HCH was notified on June 26, 2026. The incident potentially impacted 17 New Hampshire residents, exposing names, dates of birth, medical record numbers, and Social Security numbers. HCH offered 12 months of credit monitoring.

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Incident timeline

undetected · 206 days

discovery → filing · 17 weeks / 116 days

Dec 2, 2025

Begins

Jun 26, 2026

Discovered

Oct 20, 2026

Filed

vs. sector median

+7 wks slower

This filing is one of 3 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Texas State AGbd_bb23c29304884cb62026-10-28 · +8dVerified
Massachusetts State AGbd_0407cabc8a3c67e62026-10-01 · +19dVerified

Name: Henry County Hospital
norm: henry county hospital
Domain: wilsonelser.com

Name: Henry County Hospital
norm: henry county hospital
Industry: Healthcarellm

Discovered: Jun 26, 2026
Breach occurred: Dec 2, 2025 – Dec 18, 2025
Undetected for: 206 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 21, 2026
Affected individuals: 17state-resident count only
Data types: PHIIdentity (basic)Government IDHealth (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified New Hampshire Attorney GeneralAesto provided regulatory notice to the Department of Health and Human Services on behalf of affected organizations
Third party: via Aesto, LLC

During the incident: Engaged legal counsel to help assess the situation
Requested additional information from Aesto
Provided individual notice to impacted individuals
Offered complimentary credit monitoring and identity theft protection services by IDX for a period of twelve (12) months
Highlighted steps that individuals can take to protect themselves including actively monitoring their financial accounts and statements, requesting a free credit report, and placing a fraud alert or security freeze on their credit reports
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 17 weeks(116 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGOct 1 · first

New Hampshire State AG+19d · this page

Texas State AG+27d

Pattern: first filing Oct 1 (MA), last Oct 28 (TX) — a 27-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/henry-county-hospital-20261020.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 20, 2026
Raw hash: cdf56a793e37e0821532378d337528233db2fb0c91939a8a427d6aeea27d0d49

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHenry County Hospital

Victim entityHenry County Hospital

Incidentdiscovered Jun 26, 2026

Stated responseEngaged legal counsel to help assess the situation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov