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

GRAYROBINSON, P.A.

bd_5befb58f749743e9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 13, 2026

Filed

Apr 29, 2026

To disclose

16 days

Affected

34state residents only

Linked

12 filings

Confidence

66%

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

GrayRobinson, P.A. notified the New Hampshire Attorney General of a cybersecurity incident affecting 34 NH residents. Unauthorized access occurred between March 5, 2025, and March 24, 2025. GrayRobinson discovered the breach on April 13, 2026, after a forensic investigation. Impacted data included names, DOB, medical info, financial account info, driver's license numbers, and SSNs. GrayRobinson secured the network, reported to law enforcement, and offered 12 months of credit monitoring. Notification letters were mailed on April 24, 2026.

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Incident timeline

undetected · 404 days

discovery → filing · 16 days

Mar 5, 2025

Begins

Apr 13, 2026

Discovered

Apr 29, 2026

Filed

vs. sector median

16 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

California State AGbd_aa3a4069dcb4c3382026-05-04 · +5dVerified
Massachusetts State AGbd_255b75c49cb2e5f92026-04-24 · +5dCandidate
Montana State AGbd_35cc442280a9189c2026-04-24 · +5dVerified
Nebraska State AGbd_40fd643b6b8b565d2026-04-24 · +5dVerified by operator

Show 6 more filings ↓up to 8d gap

HHS OCRbd_70a89970a20e2cd62026-04-24 · +5dVerified by operator
California State AGbd_97efcfd5f4cb89ba2026-04-24 · +5dVerified
Indiana State AGbd_d2707ef1537a6e5b2026-04-24 · +5dVerified
Vermont State AGbd_cca7851fcf929bc52026-05-05 · +6dVerified
South Carolina State AGbd_138d12a9948c4e492026-05-07 · +8dVerified
New Hampshire State AGbd_794b695cf033f8ab2026-05-07 · +8dVerified

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: Apr 24, 2026
Affected individuals: 34state-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 Office of the Attorney General
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 to affected residents
Offered 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: 16 days(16 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 · this page

California State AG+10d

Vermont State AG+11d

South Carolina State AG+13d

New Hampshire State AG+13d

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-20260429.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2026
Raw hash: 4a704b0e790d529e776f1f99419ec5433622262266114f7231a5857571da5988

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