HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)Financial accountHighActive

Abramson, Brown & Dugan

bd_c7fa0ff2433221ed · schema v1 · pii pii-v2

Severity

High

Discovered

Apr 2, 2026

Filed

Sep 2, 2026

To disclose

22 weeks

Affected

1,899state residents only

Linked

3 filings

Confidence

69%

Full breach record for Abramson, Brown & Dugan →

Abramson, Brown & Dugan, a law firm in Manchester, NH, notified the NH Attorney General of unauthorized network access discovered around April 2, 2026. The incident potentially affected 1,899 NH residents, exposing names, SSNs, driver's licenses, tax IDs, or financial account numbers. Notifications to residents began September 2, 2026, offering two years of credit monitoring via Cyberscout/TransUnion. The investigation is ongoing.

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Incident timeline

discovery → filing · 22 weeks / 153 days

Apr 2, 2026

Begins

Apr 2, 2026

Discovered

Sep 2, 2026

Filed

vs. sector median

+3 wks slower

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

Vermont State AGbd_46fc45931c9749ae2026-09-03 · +1dCandidate
Massachusetts State AGbd_ed9368271388a3972026-09-01 · +1dVerified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Abramson, Brown & Dugan
norm: abramson brown dugan
Industry: Professional Servicesllm

Discovered: Apr 2, 2026
Breach occurred: Apr 2, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 2, 2026
Affected individuals: 1,899state-resident count only
Data types: Government IDIdentity (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General
Initial access: exploit_public_facing

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Performed a comprehensive investigation and manual document review of impacted data
Provided written notification of this incident commencing on or about September 2, 2026
Offering each of the affected residents a complimentary two-year membership with a credit monitoring service
Advising the affected residents about the process for placing fraud alerts and/or security freezes on their credit files
Changes made: Continually evaluates and modifies its practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(153 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGSep 1 · first

New Hampshire State AG+1d · this page

Vermont State AG+2d

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/abramson-brown-dugan-20260902.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 2, 2026
Raw hash: 39a18b89a7b46145aff5288df765fc4ed3c68d2a4fdbed4360442a085f3c0088

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityAbramson, Brown & Dugan

Incidentdiscovered Apr 2, 2026

Stated responseLaunched an investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov