HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial 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

4 filings

Confidence

68%

Full breach record for Abramson, Brown & Dugan →

Abramson, Brown & Dugan, a law firm in Manchester, NH, discovered unauthorized access to its network on or around April 2, 2026. An investigation revealed that personal information of approximately 1,899 New Hampshire residents was potentially accessed or removed, including names, Social Security numbers, driver's license/state ID numbers, Taxpayer ID numbers, or financial account numbers. The firm contained the network, restored systems, and engaged outside cybersecurity professionals. Affected residents are being offered two years of complimentary credit monitoring.

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Incident timeline

discovery → filing · 22 weeks / 153 days

Apr 2, 2026

Discovered

Sep 2, 2026

Filed

vs. sector median

+2 wks slower

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_56d0bd12158221082026-09-02Verified
Vermont State AGbd_46fc45931c9749ae2026-09-03 · +1dCandidate
Massachusetts State AGbd_ed9368271388a3972026-09-01 · +1dVerified

Name: Abramson, Brown & Dugan
norm: abramson brown dugan

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

Discovered: Apr 2, 2026
Materiality determined: —
Notification sent: Sep 2, 2026
Affected individuals: 1,899state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified the Attorney General of the State of New Hampshire

During the incident: Launched an investigation in consultation with outside cybersecurity professionals
Took immediate steps to securely contain our network
Restored our systems
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 · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGSep 1 · first

Indiana State AG+1d

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 (3) · sorted by filing gap

Reporting entityAbramson, Brown & Dugan

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