HackingProfessional ServicesProfessional ServicesStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedData ExfiltratedIdentity (basic)Government IDFinancial accountMediumActive

Butler Tax & Accounting

bd_767c324222ee0142 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 3, 2025

Filed

Jul 7, 2025

To disclose

22 weeks

Affected

2state residents only

Linked

3 filings

Confidence

66%

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

Butler Tax & Accounting notified the NH Attorney General that an unknown individual accessed the portal of its third-party software provider, Tax Dome, on or about February 3, 2025, and downloaded client information. The incident affected two New Hampshire residents, whose name, Social Security numbers, and financial account information were compromised. Butler Tax launched an investigation with outside cybersecurity professionals, which concluded there was no unauthorized access to its internal systems. The company is offering 12 months of complimentary credit monitoring to affected residents.

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Incident timeline

discovery → filing · 22 weeks / 154 days

Feb 3, 2025

Begins

Feb 3, 2025

Discovered

Jul 7, 2025

Filed

vs. sector median

+4 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_f1a704b5fe3a76c12025-07-01 · +6dVerified
Indiana State AGbd_486bdcd3a45fae4e2025-06-30 · +7dCandidate

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: Jun 30, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified by the Utah State Tax Commission of suspicious activity
Third party: via Tax Dome
Initial access: trusted_relationship

During the incident: Launched a thorough investigation in consultation with outside cybersecurity professionals
Assessed the scope of the incident and the security of its environment
Notified the impacted New Hampshire residents of the incident by letter
Offering the affected residents complimentary one-year memberships with a credit monitoring service
Advising the affected residents about the process for placing fraud alerts and/or security freezes on their credit files
Provided the contact information for the consumer reporting agencies and the Federal Trade Commission
Changes made: Continually evaluates and modifies its practices and internal controls to enhance the security and privacy of personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(154 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGJun 30 · first

Massachusetts State AG+1d

New Hampshire State AG+7d · this page

Pattern: first filing Jun 30 (IN), last Jul 7 (NH) — a 7-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/butler-tax-accounting-20250707.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 7, 2025
Raw hash: 7f7b299d1a05d92f618ad625ce7344f15cf37f19eb064d2bfa89c05ae408f221

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityButler Tax & Accounting

Victim entityButler Tax & Accounting

Incidentdiscovered Feb 3, 2025

Stated responseLaunched a thorough investigation in consultation with outside cybersecurity professionals

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov