Social EngineeringProfessional ServicesProfessional ServicesPhishingData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)Financial accountFinancial credentialsMediumContained

Leonard Mulherin and Greene, PC

bd_d80a406e76254c43 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Dec 2, 2024

Filed

Aug 13, 2025

To disclose

—

Affected

3state residents only

Linked

5 filings

Confidence

66%

Full breach record for Leonard Mulherin and Greene, PC →

Leonard Mulherin and Greene, PC (LMG) reported a data incident discovered on December 2, 2024, involving unauthorized access to an email account via phishing. The breach potentially exposed Social Security Numbers, financial account numbers, and access information for 3 Nebraska residents. LMG deactivated the account, engaged forensic investigators, and mailed notification letters on August 13, 2025, offering 12 months of credit monitoring through TransUnion.

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Incident timeline

Dec 2, 2024

Begins

Dec 2, 2024

Discovered

Aug 13, 2025

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Maine State AGbd_03ac1ac952812a9b2025-08-13Candidate
Massachusetts State AGbd_1ff38c2307091fc02025-08-13Verified
Indiana State AGbd_c49a46f152cce9282025-08-13Verified
New Hampshire State AGbd_7e6a6b10a693b9582025-08-12 · +1dVerified

Name: Wilson, Elser, Moskowitz, Edelman & Dicker LLP
norm: wilson elser moskowitz edelman dicker
Domain: wilsonelser.com

Name: Leonard Mulherin and Greene, PC
norm: leonard mulherin and greene
Industry: Professional Servicesllm

Discovered: Dec 2, 2024
Breach occurred: Dec 2, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 13, 2025
Affected individuals: 3state-resident count only
Data types: Government IDIdentity (basic)Financial accountFinancial credentials
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Contacted their internal Information Technology (IT) consulting firm confirm the security of their systems and deactivate the affected email account
Internally investigated to determine the nature and scope of the incident
Engaged and worked with a specialized third-party data forensics and cybersecurity firm to conduct a comprehensive review of the email account, including data mining
Offered twelve (12) months of complimentary credit monitoring and identity theft restoration services through TransUnion to the affected Nebraska residents
Provided guidance on how to better protect against identity theft and fraud
Changes made: Moved quickly to respond to the Incident and notified the potentially affected individuals
Offered twelve (12) months of complimentary credit monitoring and identity theft restoration services through TransUnion to the affected Nebraska residents
Provided guidance on how to better protect against identity theft and fraud, including providing information on how to place a fraud alert and security freeze on one’s credit file
Provided contact details for the national consumer reporting agencies
Provided information on how to obtain a free credit report
Provided a reminder to remain vigilant for incidents of fraud and identity theft by reviewing account statements and monitoring free credit reports
Provided contact details for the Federal Trade Commission
Engaged a specialized third-party data forensics and cybersecurity firm
Deactivated the affected email account
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

New Hampshire State AGAug 12 · first

Maine State AG+1d

Massachusetts State AG+1d

Indiana State AG+1d

Nebraska State AG+1d · 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://nebraska.gov/ago/data-breach/documents/db68e6e1-80c0-4d93-a1c3-8fe4d766aa93.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 13, 2025
Raw hash: 42700a13dab14776541dc138542118c56b266042075b6a57cb4c75f75e51c979

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityWilson, Elser, Moskowitz, Edelman & Dicker LLP

Victim entityLeonard Mulherin and Greene, PC

Incidentdiscovered Dec 2, 2024

Stated responseContacted their internal Information Technology (IT) consulting firm confirm the security of their systems and deactivate the affected email account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov