MalwareHealthcareHealthcareRansomwareCapture Stored DataData ExfiltratedData EncryptedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountPHIMediumContained

Lamoille Health Partners

bd_73720fe4f4c0f848 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 13, 2022

Filed

Dec 22, 2022

To disclose

27 weeks

Affected

431state residents only

Confidence

65%

Full breach record for Lamoille Health Partners →2 incidents on file

Lamoille Health Partners reported a supplemental ransomware incident to New Hampshire AG. Unauthorized access occurred June 12-13, 2022, resulting in file encryption and potential data exfiltration. 431 NH residents affected. Data included names, SSNs, driver's licenses, financial accounts, and PHI. Discovery was June 13, 2022. Remediation included forensic investigation, law enforcement notification, and credit monitoring services.

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Leak gap clock⏱ Leak >90d27 weeks discovery → filing

Incident timeline

undetected · 1 days

discovery → filing · 27 weeks / 192 days

Jun 12, 2022

Begins

Jun 13, 2022

Discovered

Oct 26, 2022

Scope determined

Dec 22, 2022

Filed

vs. sector median

+15 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed431 affectedView incident

A leak claim by blackbyte about this victim predates this filing by 169 days.View originating leak claim

Name: Lamoille Health Partners
norm: lamoille health

Name: Lamoille Health Partners
norm: lamoille health
Industry: Healthcarellm

Discovered: Jun 13, 2022
Breach occurred: Jun 12, 2022 – Jun 13, 2022
Undetected for: 1 dayoccurrence → discovery
Materiality determined: Oct 26, 2022
Notification sent: Dec 22, 2022
Affected individuals: 431state-resident count only
Data types: Identity (basic)Government IDFinancial accountPHI
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the Attorney General of the State of New Hampshire

During the incident: Notified law enforcement
Worked with a forensic security firm to investigate the incident and confirm the security of its computer systems
Notifying the potentially involved individuals
Providing complimentary identity protection and credit monitoring services
Implementing appropriate safeguards to protect patient information
Changes made: Implementing appropriate safeguards to protect patient information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(192 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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/lamoille-health-partners-20221222.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 22, 2022
Raw hash: 0b0c848026818f596850fb673402b78d29a08fddef74bf280dcc9159d2efe359

Reporting entityLamoille Health Partners

Victim entityLamoille Health Partners

Incidentdiscovered Jun 13, 2022

Stated responseNotified law enforcement

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov