HackingHealthcareHealthcareCustomer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)MediumContained

Lake Region Healthcare

bd_97aa43855a0cfbcf · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 19, 2025

Filed

Jul 7, 2026

To disclose

14 months

Affected

6state residents only

Linked

4 filings

Confidence

66%

Full breach record for Lake Region Healthcare →2 incidents on file

Lake Region Healthcare Corporation detected unauthorized access to its network on May 19, 2025. An investigation determined that certain files containing personal information for approximately six New Hampshire residents may have been accessed or removed. Affected data may include name, date of birth, medical information, health insurance information, and Social Security numbers. The organization secured its network, notified law enforcement, and engaged external cybersecurity professionals. Notices were sent to affected individuals on July 1, 2026, offering one year of complimentary identity monitoring.

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Leak gap clock✗ Leak >180d14 months discovery → filing

Incident timeline

discovery → filing · 14 months / 414 days

May 19, 2025

Begins

May 19, 2025

Discovered

Jul 7, 2026

Filed

vs. sector median

+47 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

Texas State AGbd_3b96474854ae74122026-07-03 · +4dVerified
Nebraska State AGbd_143e9735df03e3e52026-07-01 · +6dVerified
Massachusetts State AGbd_b0ff13238a8b0a5b2026-07-01 · +6dCandidate

Name: Lake Region Healthcare
norm: lake region healthcare
Domain: lrhc.org

Name: Lake Region Healthcare
norm: lake region healthcare
Domain: lrhc.org
Industry: Healthcarellm

Discovered: May 19, 2025
Breach occurred: May 19, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 1, 2026
Affected individuals: 6state-resident count only
Data types: PHIIdentity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
Threat actor: External
Regulator citations: Notified Office of the New Hampshire Attorney General

During the incident: Secured its network
Notified law enforcement
Launched an investigation assisted by external cyber security professionals
Conducted a thorough and comprehensive review of the impacted files
Notified all potentially impacted individuals
Provided written notice on or about July 1, 2026
Notified major credit reporting agencies including Experian, Equifax, and TransUnion
Providing all notified individuals with complimentary identity monitoring services with CyberScout through TransUnion for a period of one year
Established an external dedicated call center
Changes made: Continues to evaluate and improve, where appropriate, its administrative and technical safeguards
Training its employees on best practices related to cybersecurity, policies, procedures, and protocols, and tools to protect its network environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 months(414 days from discovery to filing)
Compliance flags: Leak >180d
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.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Nebraska State AGJul 1 · first

Massachusetts State AGJul 1 · first

Texas State AG+2d

New Hampshire State AG+6d · this page

Pattern: first filing Jul 1 (NE), last Jul 7 (NH) — a 6-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/lake-region-healthcare-20260707.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 7, 2026
Raw hash: 793f775a19bda2310c8ad00632f6bba60991098243870c76b57304eb5c29e790

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityLake Region Healthcare

Victim entityLake Region Healthcare

Incidentdiscovered May 19, 2025

Stated responseSecured its network

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov