HackingIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Advanced Medical Management, LLC

bd_cab8432154935284 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 11, 2023

Filed

Jun 29, 2023

To disclose

7 weeks

Affected

5state residents only

Linked

3 filings

Confidence

64%

Full breach record for Advanced Medical Management, LLC →2 incidents on file

Advanced Medical Management, LLC (AMM) notified Montana residents of a data breach involving Protected Health Information (PHI). Unauthorized access occurred between May 10-13, 2023, discovered on May 11, 2023. Affected data included names, SSNs, DOBs, driver's licenses, and health/treatment info. AMM engaged forensic experts, notified law enforcement, and offered credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 7 weeks / 49 days

May 10, 2023

Begins

May 11, 2023

Discovered

Jun 29, 2023

Filed

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_1afffffbf8f237c12023-06-29Verified
HHS OCRbd_27adbc71f969186a2023-06-29Verified

Name: Advanced Medical Management, LLC
norm: advanced medical management

Name: Advanced Medical Management, LLC
norm: advanced medical management

Discovered: May 11, 2023
Breach occurred: May 10, 2023 – May 13, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Jun 29, 2023
Affected individuals: 5state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: notifying regulators, as required by law
Initial access: exploit_public_facing

During the incident: Launched a comprehensive investigation with the assistance of third-party cybersecurity experts
Took steps to ensure its systems are secure
Notified law enforcement
Changes made: Reviewed existing policies and procedures
Implemented additional safeguards to further secure the information contained within our network
Offering access to complimentary credit monitoring services for [Extra1] months through Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(49 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGJun 29 · first

HHS OCRJun 29 · first

Montana State AGJun 29 · first · this page

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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-379.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 29, 2023
Raw hash: e8b4d4fe418f181641ae8ebd49eb6487b74b0f9ad8dffad17156fd242d912fb0

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityAdvanced Medical Management, LLC

Victim entityAdvanced Medical Management, LLC

Incidentdiscovered May 11, 2023

Stated responseLaunched a comprehensive investigation with the assistance of third-party cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov