HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Williams Scarborough Gray, LLP

bd_dab5f594d5cdac77 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Nov 30, 2024

Filed

May 20, 2025

To disclose

—

Affected

2scope not determined

Linked

4 filings

Confidence

66%

Full breach record for Williams Scarborough Gray, LLP →

Williams Scarborough Gray, LLP reported a data incident discovered on November 30, 2024, involving unauthorized access to systems between Nov 30 and Dec 4, 2024. The breach affected client tax files containing names, SSNs, and financial account numbers. The firm engaged forensic professionals, reset passwords, installed firewalls, and restored systems from backups. Two individuals were identified as affected. The firm offered complimentary Experian IdentityWorks membership.

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Incident timeline

Nov 30, 2024

Begins

Nov 30, 2024

Discovered

May 20, 2025

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_32a1b08ed976ca602025-05-20Verified
Massachusetts State AGbd_54c978cdf7092d332025-05-20Verified
Maine State AGbd_5528ae442f52a9472025-05-20Candidate

Name: Williams Scarborough Gray, LLP
norm: williams scarborough gray

Name: Williams Scarborough Gray, LLP
norm: williams scarborough gray
Industry: Professional Servicesllm

Discovered: Nov 30, 2024
Breach occurred: Nov 30, 2024 – Dec 4, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 20, 2025
Affected individuals: 2scope not determined
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: reported this Incident to relevant government agenciesworked closely with tax authorities to share information
Initial access: exploit_public_facing

During the incident: Changing passwords
Installing new firewalls
Restoring our systems from existing backups
Notifying the Internal Revenue Service and state tax authorities
Engaging data security and privacy professionals to assist
Reported this Incident to relevant government agencies
Changes made: Added technical security protections on top of our existing protections including installing new firewalls and implementing additional technical safeguards
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGMay 20 · first

Massachusetts State AGMay 20 · first

Maine State AGMay 20 · first

Nebraska State AGMay 20 · first · this page

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://nebraska.gov/ago/data-breach/documents/63533338-e232-41a6-888c-9c0f6efe567d.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 20, 2025
Raw hash: ecb43535fc24ad4e72ebc264f3123294302ec24518cf3f5c07f8be859fb8c182

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityWilliams Scarborough Gray, LLP

Victim entityWilliams Scarborough Gray, LLP

Incidentdiscovered Nov 30, 2024

Stated responseChanging passwords

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov