HackingHealthcareHealthcareStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedPIIIdentity (basic)LowContained

Great Neck Dental

bd_f52fde5b20298e81 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 7, 2022

Filed

Mar 17, 2023

To disclose

23 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for Great Neck Dental →

Great Neck Dental (Richard T. Miller, DMD, PC) notified Vermont AG that patient PII was accessed without authorization via a compromised email account of third-party law firm Cooperman Lester Miller Carus LLP. The unauthorized access occurred between March 27 and June 1, 2022. Great Neck Dental engaged a vendor to assess the data and is offering complimentary credit monitoring and identity protection services to affected individuals.

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Vermont clock✗ VT AG >45 bday23 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

undetected · 194 days

discovery → filing · 23 weeks / 161 days

Mar 27, 2022

Begins

Oct 7, 2022

Discovered

Mar 17, 2023

Filed

vs. sector median

+12 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Richard T. Miller, DMD, PC
norm: richard t miller dmd

Name: Great Neck Dental
norm: great neck dental
Industry: Healthcarellm

Discovered: Oct 7, 2022
Breach occurred: Mar 27, 2022 – Jun 1, 2022
Undetected for: 194 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 17, 2023
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Third party: via Cooperman Lester Miller Carus LLP
Initial access: valid_credentials

During the incident: Engaged a vendor to review the data to determine what personal information may have been involved
Offering complimentary credit monitoring and identity protection services through IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(161 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.

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/2023-03-17-richard-t-miller-dmd-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 17, 2023
Raw hash: 08d505f6c5b64c233c8d7c3476208694425b6a450d8271c66042f3ef06f3b9be

Reporting entityRichard T. Miller, DMD, PC

Victim entityGreat Neck Dental

Incidentdiscovered Oct 7, 2022

Stated responseEngaged a vendor to review the data to determine what personal information may have been involved

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov