HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Martin Snow, LLP

bd_31f6c1246c8e8ba5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 10, 2024

Filed

Mar 18, 2025

To disclose

40 weeks

Affected

3state residents only

Linked

4 filings

Confidence

66%

Full breach record for Martin Snow, LLP →

Martin Snow, LLP, a law firm, notified the New Hampshire Attorney General on March 18, 2025, of a data event affecting 3 New Hampshire residents. Unauthorized access to Martin Snow's network occurred between April 2 and April 4, 2024. The firm discovered unexpected activity on June 10, 2024, and completed its data review on December 26, 2024. Personal information, including government identifiers, was accessed. Martin Snow notified federal law enforcement, provided credit monitoring via Equifax, and implemented additional employee safeguards.

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Incident timeline

undetected · 69 days

discovery → filing · 40 weeks / 281 days

Apr 2, 2024

Begins

Jun 10, 2024

Discovered

Mar 18, 2025

Filed

vs. sector median

+21 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

Indiana State AGbd_087c4c525b11f88f2025-03-18Verified
Massachusetts State AGbd_45dcd0742b2ee9262025-03-18Verified
Maryland State AGbd_5441a50fb1c5fb352025-03-18Candidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Martin Snow, LLP
norm: martin snow
Industry: Professional Servicesllm

Discovered: Jun 10, 2024
Breach occurred: Apr 2, 2024 – Apr 4, 2024
Undetected for: 69 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 18, 2025
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Providing written notice of this event to relevant state regulators
Initial access: exploit_public_facing

During the incident: Notified federal law enforcement regarding the event
Provided access to credit monitoring services for , through Equifax, to individuals whose personal information was potentially affected by this event, at no cost to these individuals
Changes made: Working to implement additional safeguards and training to its employees
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 40 weeks(281 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 ↗

Indiana State AGMar 18 · first

Massachusetts State AGMar 18 · first

Maryland State AGMar 18 · first

New Hampshire State AGMar 18 · 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://mm.nh.gov/files/uploads/doj/remote-docs/martin-snow-20250318.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 18, 2025
Raw hash: 1cfff99896475735400e397004eb1c6856bac06fc40ca4b234e01b00576c1c0d

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityMartin Snow, LLP

Incidentdiscovered Jun 10, 2024

Stated responseNotified federal law enforcement regarding the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov