HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

GRAYROBINSON, P.A.

bd_794b695cf033f8ab · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 13, 2026

Filed

May 7, 2026

To disclose

24 days

Affected

41state residents only

Linked

12 filings

Confidence

66%

Full breach record for GRAYROBINSON, P.A. →4 incidents on file

GrayRobinson, P.A., a law firm, notified the New Hampshire Attorney General that an unauthorized actor accessed its network between March 5 and March 24, 2025. GrayRobinson discovered the breach on April 13, 2026, after a forensic investigation. The incident potentially exposed personal information, including names, DOBs, SSNs, driver's license numbers, financial account info, and medical data, for 41 New Hampshire residents. GrayRobinson reported the incident to law enforcement, engaged external cybersecurity professionals, and is offering one year of complimentary credit monitoring to affected residents.

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Incident timeline

undetected · 404 days

discovery → filing · 24 days

Mar 5, 2025

Begins

Apr 13, 2026

Discovered

May 7, 2026

Filed

vs. sector median

15 wks faster

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

South Carolina State AGbd_138d12a9948c4e492026-05-07Verified
Vermont State AGbd_cca7851fcf929bc52026-05-05 · +2dVerified
California State AGbd_aa3a4069dcb4c3382026-05-04 · +3dVerified
New Hampshire State AGbd_5befb58f749743e92026-04-29 · +8dVerified

Show 6 more filings ↓up to 13d gap

Massachusetts State AGbd_255b75c49cb2e5f92026-04-24 · +13dCandidate
Montana State AGbd_35cc442280a9189c2026-04-24 · +13dVerified
Nebraska State AGbd_40fd643b6b8b565d2026-04-24 · +13dVerified by operator
HHS OCRbd_70a89970a20e2cd62026-04-24 · +13dVerified by operator
California State AGbd_97efcfd5f4cb89ba2026-04-24 · +13dVerified
Indiana State AGbd_d2707ef1537a6e5b2026-04-24 · +13dVerified

Showing first 10 of 11 linked disclosures.

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: GRAYROBINSON, P.A.
norm: grayrobinson
Industry: Professional Servicesllm

Discovered: Apr 13, 2026
Breach occurred: Mar 5, 2025 – Mar 24, 2025
Undetected for: 404 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 4, 2026
Affected individuals: 41state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General's Office
Initial access: exploit_public_facing

During the incident: Secured its network
Reported the incident to law enforcement
Commenced a thorough investigation
Worked closely with external cybersecurity professionals
Conducted a thorough review of the potentially impacted data
Provided written notification of this incident
Offered the affected residents whose Social Security numbers were impacted complimentary one year memberships with a credit monitoring service
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: 24 days(24 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 9 states

View merged incident ↗

Massachusetts State AGApr 24 · first

Montana State AGApr 24 · first

Nebraska State AGApr 24 · first

HHS OCRApr 24 · first

California State AGApr 24 · first

Indiana State AGApr 24 · first

New Hampshire State AG+5d

California State AG+10d

Vermont State AG+11d

South Carolina State AG+13d

New Hampshire State AG+13d · this page

Pattern: first filing Apr 24 (MA), last May 7 (NH) — a 13-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 11 — the full spread may be wider.

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/grayrobinson-20260507.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 7, 2026
Raw hash: cbbb2eb9cdd448d36f9b92ef9c36849b0d4c8981e1928c7f00f43c42f71abe9f

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityGRAYROBINSON, P.A.

Incidentdiscovered Apr 13, 2026

Stated responseSecured its network

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov