Social EngineeringProfessional ServicesProfessional ServicesPhishingVishingCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

HARRIS BEACH MURTHA CULLINA PLLC

bd_f4bd0d9bfab204d2 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 8, 2023

Filed

Feb 21, 2024

To disclose

11 weeks

Affected · nationwide

4862 in this filing

Linked

3 filings

Confidence

50%

Full breach record for HARRIS BEACH MURTHA CULLINA PLLC →3 incidents on file

Legal firm Harris Beach PLLC reported a data breach affecting 486 individuals, including 2 Maine residents, due to a phishing and vishing incident. The breach occurred between October 24 and October 30, 2023, and was discovered on December 8, 2023. The compromised information includes names and Social Security numbers. Affected individuals were notified on February 21, 2024, and offered 12 months of credit monitoring and identity protection services from Kroll.

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Maine clockDiscovered Dec 8, 2023 → Filed with AG Feb 21, 202475d ⏱ ME AG >30d11 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 · 45 days

discovery → filing · 11 weeks / 75 days

Oct 24, 2023

Begins

Dec 8, 2023

Discovered

Feb 21, 2024

Filed

vs. sector median

8 wks faster

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

Montana State AGbd_2254a56688bd07542024-02-21Candidate
Indiana State AGbd_96ee5b16330e56dd2024-02-21Verified

Name: HARRIS BEACH MURTHA CULLINA PLLC
norm: harris beach murtha cullina
Domain: harrisbeachmurtha.com

Name: HARRIS BEACH MURTHA CULLINA PLLC
norm: harris beach murtha cullina
Domain: harrisbeachmurtha.com
Industry: Professional Servicesllm

Discovered: Dec 8, 2023
Breach occurred: Oct 24, 2023 – Oct 30, 2023
Undetected for: 45 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 21, 2024
Affected individuals: 486state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
Threat actor: ExternalFinancial

Changes made: Offered 12 months of credit monitoring, identity fraud loss reimbursement, fraud consultation, and identity theft restoration services through Kroll.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(75 days from discovery to filing)
Compliance flags: ME AG >30d · 75d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Dec 8, 2023
→ Filed with AG: Feb 21, 2024
75d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 8, 2023 → Filed with AG: Feb 21, 2024	75d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGFeb 21 · first

Indiana State AGFeb 21 · first

Maine State AGFeb 21 · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/7b741560-395d-4c05-8df2-bdf2e0d6337b.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 21, 2024
Raw hash: ec81321c0368abee219014932770eee10aa369ced4abad7e3b25bba81b7beb8c

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHARRIS BEACH MURTHA CULLINA PLLC

Victim entityHARRIS BEACH MURTHA CULLINA PLLC

Incidentdiscovered Dec 8, 2023

Stated responseOffered 12 months of credit monitoring, identity fraud loss reimbursement, fraud consultation, and identity theft restoration services through Kroll.

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov