HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedData EncryptedPIIPHIIdentity (basic)Government IDHealth (basic)HighContained

Coös County Family Health

bd_f14806bbae507beb · schema v1 · pii pii-v1

Severity

High

Discovered

Jul 9, 2025

Filed

Oct 9, 2025

To disclose

13 weeks

Affected

35,609state residents only

Linked

7 filings

Confidence

69%

Full breach record for Coös County Family Health →

Coos County Family Health Services notified the NH Attorney General on October 9, 2025, of a July 9, 2025, unauthorized server access affecting ~35,609 NH residents. Patient data (names, SSNs, medical info) was potentially copied. The organization secured systems, notified law enforcement and HHS, and provided 12 months of TransUnion credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d13 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 13 weeks / 92 days

Jul 9, 2025

Begins

Jul 9, 2025

Discovered

Oct 9, 2025

Filed

vs. sector median

+1 wks slower

This filing is one of 7 about the same incident.View merged incident

A leak claim by runsomewares about this victim predates this filing by 91 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siterunsomewaresbd_b1954aa65bfd53992025-07-10 · +91dVerified

Regulatory filings (5) · sorted by filing gap

Vermont State AGbd_4157a034d7aa6a462025-10-09Verified by operator
Maine State AGbd_baf9b9fa162a0aaa2025-10-09Verified by operator
Massachusetts State AGbd_bba4837ae5e628e12025-10-09Verified by operator
Illinois State AGbd_6092bef5a34d0ff62025-10-01 · +8dVerified by operator

Show 1 more filing ↓up to 34d gap

HHS OCRbd_8f8dbcd50604b6cb2025-09-05 · +34dCandidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Coös County Family Health
norm: coos county family health
Domain: coosfamilyhealth.org
Industry: healthcare
Industry: Healthcarellm

Discovered: Jul 9, 2025
Breach occurred: Jul 9, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 9, 2025
Affected individuals: 35,609state-resident count only
Data types: PIIPHIIdentity (basic)Government IDHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified federal law enforcementNotified the U.S. Department of Health and Human Services
Initial access: exploit_public_facing

During the incident: Took steps to secure its systems
Conducted a thorough investigation
Notified federal law enforcement
Providing notified individuals with access to credit monitoring services for twelve (12) months, through TransUnion
Providing written notice of this incident to relevant state regulators
Notified the U.S. Department of Health and Human Services
Changes made: Reviewing and enhancing our existing policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(92 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

HHS OCRSep 5 · first

Illinois State AG+26d

Vermont State AG+34d

Maine State AG+34d

Massachusetts State AG+34d

New Hampshire State AG+34d · this page

Pattern: first filing Sep 5 (NH), last Oct 9 (NH) — a 34-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/coos-county-family-health-20251009.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 9, 2025
Raw hash: bcc2b98a4f30dec89f727b6f4164c61e35ff8b2021f424334ff6818bdfe78be5

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityCoös County Family Health

Incidentdiscovered Jul 9, 2025

Stated responseTook steps to secure its systems

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov