HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Modoc Medical Center

bd_120be5809f2cd33a · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jan 27, 2026

Filed

Sep 22, 2026

To disclose

34 weeks

Affected

4state residents only

Linked

5 records

Confidence

70%

Full breach record for Modoc Medical Center →

Modoc Medical Center notified the NH Attorney General of unauthorized access to its network by an unknown actor between January 19 and January 27, 2026. The actor downloaded files containing names, Social Security numbers, and driver's license numbers. Four New Hampshire residents were affected. Modoc engaged cybersecurity specialists, notified law enforcement and HHS, and is offering 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d34 weeks discovery → filing

Incident timeline

undetected · 8 days

discovery → filing · 34 weeks / 238 days

Jan 19, 2026

Begins

Jan 27, 2026

Discovered

Sep 22, 2026

Filed

vs. sector median

+25 wks slower

This filing is one of 5 records about the same incident.View merged incident

A leak claim by worldleaks about this victim was first seen 218 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteworldleaksbd_b0e7a2638aa2afae2026-02-16 · +217dCandidate

Regulatory filings (3) · sorted by filing gap

California State AGbd_c3676fc17b526a622026-09-22Verified
Massachusetts State AGbd_fa569ddc6df48e442026-09-01 · +21dVerified
HHS OCRbd_dab3d2f0618715192026-03-27 · +179dCandidate

Name: Modoc Medical Center
norm: modoc medical center

Name: Modoc Medical Center
norm: modoc medical center
Domain: modocmedicalcenter.org
Industry: Healthcarellm

Discovered: Jan 27, 2026
Breach occurred: Jan 19, 2026 – Jan 27, 2026
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 22, 2026
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified federal law enforcementProvided notice to the United States Department of Health and Human ServicesProvided notice to the New Hampshire Attorney General

During the incident: Took steps to secure its systems
Launched an investigation into the nature and scope of the issue with the assistance of cybersecurity specialists
Notified federal law enforcement regarding the event
Launched a comprehensive and time-intensive third-party review of the affected files
Provided notice to individuals through a media notice and a posting on the Modoc webpage
Provided written notice to four New Hampshire residents
Provided notice to prominent media in the state of California
Provided written notice to other relevant state regulators, as necessary, the United States Department of Health and Human Services, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Working to implement additional safeguards and training to its employees
Working to update a range of privacy and security safeguards designed to enhance existing protections
Providing access to credit monitoring services for twelve months through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 34 weeks(238 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 · 3 states

View merged incident ↗

HHS OCRMar 27 · first

Massachusetts State AG+158d

California State AG+179d

New Hampshire State AG+179d · this page

Pattern: first filing Mar 27 (CA), last Sep 22 (NH) — a 179-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/modoc-medical-center-20260922.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 22, 2026
Raw hash: 13a079d678ba8b8b1160cf0be0c7b417e255a29c343745259781fc4d3f608589

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityModoc Medical Center

Victim entityModoc Medical Center

Incidentdiscovered Jan 27, 2026

Stated responseTook steps to secure its systems

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov