Social EngineeringProfessional ServicesProfessional ServicesPhishingStolen CredentialsData ExfiltratedTargetedIdentity (basic)Government IDFinancial accountHealth (basic)PIIMediumContained

Williams Hart & Boundas LLP

bd_387dcfeb85167bad · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 30, 2025

Filed

Sep 19, 2025

To disclose

12 weeks

Affected

8state residents only

Linked

7 filings

Confidence

66%

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

Williams Hart & Boundas LLP notified individuals of a phishing incident discovered on June 30, 2025, where an unauthorized individual accessed a firm email account. The incident exposed names, addresses, financial account numbers, driver's license numbers, SSNs, and health information. The firm reset passwords, engaged security experts, notified law enforcement, and offered credit monitoring.

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Incident timeline

discovery → filing · 12 weeks / 81 days

Jun 30, 2025

Discovered

Sep 19, 2025

Filed

vs. sector median

7 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_ae49906292b990c42025-09-19Verified
Texas State AGbd_6e5425fc35eec9cc2025-09-22 · +3dVerified
New Hampshire State AGbd_21d84c8d5f9d1cae2025-10-09 · +20dVerified
Maine State AGbd_8aca3b6fa35c5edb2025-10-09 · +20dVerified

Show 2 more filings ↓up to 31d gap

Vermont State AGbd_be1ce8a3e21067c72025-10-13 · +24dVerified
Massachusetts State AGbd_ba37ddb72aa468dc2025-10-20 · +31dVerified

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: 8state-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: Promptly notified law enforcement
Initial access: phishing_link

During the incident: Engaged security experts to help determine what occurred
Reset the password to the account
Implemented additional security measures to prevent further unauthorized access to our email systems
Promptly notified law enforcement
Implemented additional technical and administrative controls to prevent further unauthorized access to the affected email account
Offering complimentary access to Experian IdentityWorks
Changes made: Implemented additional technical and administrative controls to prevent further unauthorized access to the affected email account
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(81 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 ↗

Indiana State AGSep 19 · first

Montana State AGSep 19 · first · this page

Texas State AG+3d

New Hampshire State AG+20d

Maine State AG+20d

Vermont State AG+24d

Massachusetts State AG+31d

Pattern: first filing Sep 19 (IN), 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://dojmt.gov/wp-content/uploads/2025/09/Consumer-notification-letter-55.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 19, 2025
Raw hash: 8875044bbb402f5811e00adf8141b582bccdce198938bbe3bf01f074d1087e35

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 to help determine what occurred

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov