HackingHealthcareProfessional ServicesHealthcareStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedTargetedPIIGovernment IDHealth (basic)MediumContained

Medical Management Resource Group, L.L.C.

bd_38d89641f6010463 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 14, 2023

Filed

Feb 23, 2024

To disclose

14 weeks

Affected

323state residents only

Linked

10 filings

Confidence

66%

Full breach record for Medical Management Resource Group, L.L.C. →

Medical Management Resource Group (d.b.a. American Vision Partners) notified the NH AG of unauthorized access detected on Nov 14, 2023. The incident affected ~322 NH patient residents and 1 NH employee. Data exposed included PHI and SSNs. MMRG engaged third-party cybersecurity firms, coordinated with law enforcement, and provided credit monitoring/identity protection to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 14 weeks / 101 days

Nov 14, 2023

Discovered

Feb 23, 2024

Filed

vs. sector median

+2 wks slower

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Oregon State AGbd_4e04a4942e26df332024-02-29 · +6dVerified
California State AGbd_9ade189a9c3aa1642024-02-29 · +6dVerified
Maine State AGbd_f877c41e8ddec9762024-02-29 · +6dVerified
Vermont State AGbd_91b60a8f11bae7ec2024-02-15 · +8dVerified

Show 5 more filings ↓up to 22d gap

Indiana State AGbd_af0a4dfaa8d752532024-02-15 · +8dVerified
Montana State AGbd_cf67a71df73c00872024-02-15 · +8dVerified
Washington State AGbd_776968d28912f6052024-02-06 · +17dVerified
HHS OCRbd_7b7b956dbf6e412d2024-02-06 · +17dVerified by operator
Illinois State AGbd_666f9f3545487c7d2024-02-01 · +22dCandidate

Name: Medical Management Resource Group, L.L.C.
norm: medical management resource

Name: Medical Management Resource Group, L.L.C.
norm: medical management resource
Industry: HealthcarellmProfessional Servicesllm

Discovered: Nov 14, 2023
Materiality determined: —
Notification sent: Feb 26, 2024
Affected individuals: 323state-resident count only
Data types: PIIGovernment IDHealth (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Coordinated with law enforcement
Initial access: valid_credentials

During the incident: Isolating impacted systems
Launched an investigation with the assistance of leading third-party cybersecurity firms
Coordinated with law enforcement
Taking preventative actions to further safeguard its systems
Arranged to provide individuals whose Social Security numbers were affected with identity protection and credit monitoring services
Changes made: Taking preventative actions to further safeguard its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(101 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

Illinois State AGFeb 1 · first

Washington State AG+5d

HHS OCR+5d

Vermont State AG+14d

Indiana State AG+14d

Montana State AG+14d

New Hampshire State AG+22d · this page

Oregon State AG+28d

California State AG+28d

Maine State AG+28d

Pattern: first filing Feb 1 (IL), last Feb 29 (ME) — a 28-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/medical-management-resource-group-20240223.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 23, 2024
Raw hash: 50397cd6bf33d86e15eb45c71bf137166b8bd2b7180a0d3771a9cea2ef01ae25

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityMedical Management Resource Group, L.L.C.

Victim entityMedical Management Resource Group, L.L.C.

Incidentdiscovered Nov 14, 2023

Stated responseIsolating impacted systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov