HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedPIIIdentity (basic)LowContained

McMillan Metro, P.C.

bd_f5fc665594686b0f · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 26, 2021

Filed

Nov 4, 2022

To disclose

13 months

Affected

3state residents only

Linked

4 filings

Confidence

64%

Full breach record for McMillan Metro, P.C. →

McMillan Metro, P.C. notified clients of unauthorized access to IT systems between Sept 21-24, 2021, detected Sept 26, 2021. Personal info (names, etc.) may have been accessed. No fraud reported. Law enforcement notified. IDX identity protection offered.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 5 days

discovery → filing · 13 months / 404 days

Sep 21, 2021

Begins

Sep 26, 2021

Discovered

Nov 4, 2022

Filed

vs. sector median

+39 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maine State AGbd_71e0a4641ecac5832022-11-07 · +3dCandidate
Indiana State AGbd_c4718807b1b4d8772022-11-07 · +3dVerified
Massachusetts State AGbd_f4401e461719a5492022-11-07 · +3dVerified

Name: McMillan Metro, P.C.
norm: mcmillan metro

Name: McMillan Metro, P.C.
norm: mcmillan metro
Industry: Professional Servicesllm

Discovered: Sep 26, 2021
Breach occurred: Sep 21, 2021 – Sep 24, 2021
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 7, 2022
Affected individuals: 3state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: notified law enforcement
Initial access: valid_credentials

During the incident: Launched an investigation
Notified law enforcement
Offering you a complimentary one-year membership to IDX identity protection services
Changes made: Implemented enhanced monitoring and alerting software
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 months(404 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGNov 4 · first · this page

Maine State AG+3d

Indiana State AG+3d

Massachusetts State AG+3d

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-692.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 4, 2022
Raw hash: 577d2810001be95d3dcb057e002d91f879d0521d4c0e8ae31f8cc1ab32e91dc1

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMcMillan Metro, P.C.

Victim entityMcMillan Metro, P.C.

Incidentdiscovered Sep 26, 2021

Stated responseLaunched an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov