HackingProfessional ServicesProfessional ServicesStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Butler Tax & Accounting

bd_7331454e88549b3f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 3, 2025

Filed

Nov 18, 2025

To disclose

41 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

67%

Full breach record for Butler Tax & Accounting →2 incidents on file

Butler Tax & Accounting disclosed a data security incident where an unknown individual accessed a third-party software provider portal on or about February 3, 2025. The incident involved unauthorized access to client information, including names, SSNs, and financial data. Butler Tax engaged outside cybersecurity professionals for investigation and offered 12 months of credit monitoring to affected individuals.

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Incident timeline

discovery → filing · 41 weeks / 288 days

Feb 3, 2025

Begins

Feb 3, 2025

Discovered

Nov 18, 2025

Filed

vs. sector median

+23 wks slower

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Nebraska State AGbd_d2603025891cde9f2025-11-18Verified
Washington State AGbd_7e6164df3d62eeac2025-12-22 · +34dVerified
Iowa State AGbd_828b6c119cd6cc562025-12-22 · +34dVerified
Texas State AGbd_aba16d7919bebd602025-12-29 · +41dVerified

Show 1 more filing ↓up to 44d gap

Illinois State AGbd_9fec4206a28ad9f52026-01-01 · +44dVerified

Name: Butler Tax & Accounting
norm: butler tax accounting

Name: Butler Tax & Accounting
norm: butler tax accounting
Industry: Professional Servicesllm

Discovered: Feb 3, 2025
Breach occurred: Feb 3, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 22, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified by the Utah State Tax Commission
Initial access: supply_chain

During the incident: Launched an immediate investigation in consultation with outside cybersecurity professionals
Performed a comprehensive investigation into the security of our environment
Offering complimentary access to Experian IdentityWorks Credit 3B for 12 months
Changes made: Continually evaluate and modify our practices and internal controls to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 41 weeks(288 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Nebraska State AGNov 18 · first

Delaware State AGNov 18 · first · this page

Washington State AG+34d

Iowa State AG+34d

Texas State AG+41d

Illinois State AG+44d

Pattern: first filing Nov 18 (NE), last Jan 1 (IL) — a 44-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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2026/01/Butler-Tax_2025-12-22-Consumer-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 18, 2025
Raw hash: 3288261c4491545040fc9ef1486bc9d367d82706d8783c465571075257aedb7e

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityButler Tax & Accounting

Victim entityButler Tax & Accounting

Incidentdiscovered Feb 3, 2025

Stated responseLaunched an immediate investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov