Social EngineeringProfessional ServicesProfessional ServicesPhishingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

McClallen & Associates, P.C.

bd_6c62121b0a678728 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 20, 2026

Filed

Feb 26, 2026

To disclose

5 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for McClallen & Associates, P.C. →3 incidents on file

McClallen & Associates, P.C. (dba McClallen Law) notified the New Hampshire Attorney General of a phishing incident affecting two corporate email accounts. Unauthorized access occurred between December 1, 2025, and December 18, 2025. The firm discovered on January 20, 2026, that the emails contained full names and Social Security numbers of one New Hampshire resident. Notifications were sent on February 20, 2026, offering one year of credit monitoring via Experian.

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Incident timeline

undetected · 50 days

discovery → filing · 5 weeks / 37 days

Dec 1, 2025

Begins

Jan 20, 2026

Discovered

Feb 26, 2026

Filed

vs. sector median

13 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Vermont State AGbd_1a5f6ccbfcf3b9172026-02-20 · +6dCandidate

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: McClallen & Associates, P.C.
norm: mcclallen associates
Also named: McClallen & Associates, P.C.dba oflegal entity
McClallen Lawdba oftrade name
Industry: Professional Servicesllm

Discovered: Jan 20, 2026
Breach occurred: Dec 1, 2025 – Dec 18, 2025
Undetected for: 50 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 20, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Commenced a prompt and thorough investigation with external cybersecurity professionals
Provided the affected resident with written notification
Offering the resident a complimentary one-year membership with a credit monitoring service
Provided the affected resident with contact information for the FTC, and the major credit reporting agencies
Changes made: Continually evaluates and modifies its practices to enhance the security and privacy of the personal information it maintains
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(37 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Vermont State AGFeb 20 · first

New Hampshire State AG+6d · this page

Pattern: first filing Feb 20 (VT), last Feb 26 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/mcclallen-associates-mcclallen-law-20260226.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 26, 2026
Raw hash: d833ab1fd958ce3f1cd4d4856e1482721a4481cca125d3d4c36b531d9f61a95e

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityMcClallen & Associates, P.C.

Incidentdiscovered Jan 20, 2026

Stated responseCommenced a prompt and thorough investigation with external cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov