HackingHealthcareTechnologyHealthcareCustomer Data InvolvedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Medical Management Resource Group, L.L.C.

bd_91b60a8f11bae7ec · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 14, 2023

Filed

Feb 15, 2024

To disclose

13 weeks

Affected

Not disclosed

Linked

10 filings

Confidence

65%

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

Medical Management Resource Group, LLC (dba American Vision Partners) notified patients of a cybersecurity incident detected on November 14, 2023. Unauthorized parties accessed patient data including names, DOBs, SSNs, medical records, and insurance info. Affected individuals were offered 2 years of credit monitoring. The incident is currently contained.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday13 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 13 weeks / 93 days

Nov 14, 2023

Discovered

Feb 15, 2024

Filed

vs. sector median

+1 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

Indiana State AGbd_af0a4dfaa8d752532024-02-15Verified
Montana State AGbd_cf67a71df73c00872024-02-15Verified
New Hampshire State AGbd_38d89641f60104632024-02-23 · +8dVerified
Washington State AGbd_776968d28912f6052024-02-06 · +9dVerified

Show 5 more filings ↓up to 14d gap

HHS OCRbd_7b7b956dbf6e412d2024-02-06 · +9dVerified by operator
Oregon State AGbd_4e04a4942e26df332024-02-29 · +14dVerified
California State AGbd_9ade189a9c3aa1642024-02-29 · +14dVerified
Maine State AGbd_f877c41e8ddec9762024-02-29 · +14dVerified
Illinois State AGbd_666f9f3545487c7d2024-02-01 · +14dCandidate

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

Name: Medical Management Resource Group, L.L.C.
norm: medical management resource
Also named: Medical Management Resource Group, L.L.C.dba oflegal entity
American Vision Partnersdba oftrade name
Industry: HealthcarellmTechnologyllm

Discovered: Nov 14, 2023
Materiality determined: —
Notification sent: Feb 15, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Isolating impacted systems
Launched an investigation with the assistance of leading third-party cybersecurity firms
Coordinated with law enforcement
Offering identity protection and credit monitoring services for two years at no cost
Changes made: Taking preventative actions to further safeguard systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(93 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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

Indiana State AG+14d

Montana State AG+14d

Vermont State AG+14d · this page

New Hampshire State AG+22d

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://ago.vermont.gov/document/2024-02-15-medical-management-resource-group-llc-dba-american-vision-partners-data-breach-notice
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 15, 2024
Raw hash: 73173c67d06b019ee63078b53eded24cb7ee5c031c2ba10b5cdca030c232f15a

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

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov