MalwarePIIPHIIdentity (basic)LowContained

Claxton-Hepburn Medical Center

bd_e29ec2b60a706879 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 31, 2023

Filed

Apr 14, 2025

To disclose

20 months

Affected

1state residents only

Confidence

66%

Full breach record for Claxton-Hepburn Medical Center →2 incidents on file

Claxton-Hepburn Medical Center (part of North Star Health Alliance) notified the NH Attorney General of a cybersecurity incident affecting 1 NH resident. The incident occurred on August 31, 2023, involving unauthorized access to network environments. Personal and healthcare information was accessed. The organization contained the threat, engaged third-party cybersecurity experts, and alerted law enforcement. Remediation included resetting passwords and enabling MFA. One resident received credit monitoring services.

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Incident timeline

discovery → filing · 20 months / 592 days

Aug 31, 2023

Begins

Aug 31, 2023

Discovered

Apr 14, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Claxton-Hepburn Medical Center
norm: claxton hepburn medical center

Discovered: Aug 31, 2023
Breach occurred: Aug 31, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 1, 2023
Affected individuals: 1state-resident count only
Data types: PIIPHIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: External

During the incident: Engaged leading third-party cybersecurity experts
Contained the network
Alerted law enforcement
Changes made: Reset passwords
Enabled multi-factor authentication for all users
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 months(592 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://mm.nh.gov/files/uploads/doj/remote-docs/claxton-hepburn-medical-center-20250414.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 14, 2025
Raw hash: 88fc05087afa4a31c543ccf21af2d354280a2692b3bbd777c1be7f528ee1b87c

Reporting entityMCDONALD HOPKINS LLC

Victim entityClaxton-Hepburn Medical Center

Incidentdiscovered Aug 31, 2023

Stated responseEngaged leading third-party cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov