Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsTargetedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)PIIMediumContained

Williams Hart & Boundas LLP

bd_21d84c8d5f9d1cae · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 30, 2025

Filed

Oct 9, 2025

To disclose

14 weeks

Affected

13state residents only

Linked

7 filings

Confidence

67%

Full breach record for Williams Hart & Boundas LLP →3 incidents on file

Williams Hart & Boundas LLP notified the NH AG of a business email compromise. On June 30, 2025, the firm discovered a phishing email led to unauthorized access to a firm email account. The incident affected personal information (names, addresses, SSNs, driver's licenses, financial account numbers, health info) of approximately 13 New Hampshire residents. Notifications were sent on September 19, 2025, including credit monitoring services.

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Incident timeline

discovery → filing · 14 weeks / 101 days

Jun 30, 2025

Discovered

Oct 9, 2025

Filed

vs. sector median

5 wks faster

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Maine State AGbd_8aca3b6fa35c5edb2025-10-09Verified
Vermont State AGbd_be1ce8a3e21067c72025-10-13 · +4dVerified
Massachusetts State AGbd_ba37ddb72aa468dc2025-10-20 · +11dVerified
Texas State AGbd_6e5425fc35eec9cc2025-09-22 · +17dVerified

Show 2 more filings ↓up to 20d gap

Montana State AGbd_387dcfeb85167bad2025-09-19 · +20dCandidate
Indiana State AGbd_ae49906292b990c42025-09-19 · +20dVerified

Name: Williams Hart & Boundas LLP
norm: williams hart boundas

Name: Williams Hart & Boundas LLP
norm: williams hart boundas
Industry: Professional Servicesllm

Discovered: Jun 30, 2025
Materiality determined: —
Notification sent: Sep 19, 2025
Affected individuals: 13state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)PII
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection & Antitrust Bureau
Initial access: phishing_link

During the incident: Engaged security experts
Reset the password to the account
Implemented additional security measures to prevent further unauthorized access to Williams Hart’s email systems
Notified law enforcement
Changes made: Implemented additional technical and administrative controls to prevent further unauthorized access to the affected email account
Offered complimentary access to Experian IdentityWorks
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(101 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Montana State AGSep 19 · first

Indiana State AGSep 19 · first

Texas State AG+3d

Maine State AG+20d

New Hampshire State AG+20d · this page

Vermont State AG+24d

Massachusetts State AG+31d

Pattern: first filing Sep 19 (MT), last Oct 20 (MA) — a 31-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/williams-hart-boundas-20251009.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 9, 2025
Raw hash: 61b6ee46c7c97960a146dceeeb11f201ce68b226fd7b627c278a683afe04a290

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityWilliams Hart & Boundas LLP

Victim entityWilliams Hart & Boundas LLP

Incidentdiscovered Jun 30, 2025

Stated responseEngaged security experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov