HackingProfessional ServicesProfessional ServicesStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedIdentity (basic)Government IDMediumContained

Rockstar Capital Dev Group II LLC

bd_828b6c119cd6cc56 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 3, 2025

Filed

Dec 22, 2025

To disclose

46 weeks

Affected

2state residents only

Linked

6 filings

Confidence

66%

Butler Tax & Accounting notified Iowa AG that an unknown individual accessed its third-party provider Tax Dome's portal on Feb 3, 2025, downloading PII (names, SSNs) for Rockstar Capital clients. Two Iowa residents were affected. Butler Tax engaged cybersecurity professionals and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Iowa clock✗ IA AG >5 bday46 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 46 weeks / 322 days

Feb 3, 2025

Begins

Feb 3, 2025

Discovered

Dec 22, 2025

Filed

vs. sector median

+28 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

Washington State AGbd_7e6164df3d62eeac2025-12-22Verified
Texas State AGbd_aba16d7919bebd602025-12-29 · +7dVerified
Illinois State AGbd_9fec4206a28ad9f52026-01-01 · +10dVerified
Delaware State AGbd_7331454e88549b3f2025-11-18 · +34dCandidate

Show 1 more filing ↓up to 34d gap

Nebraska State AGbd_d2603025891cde9f2025-11-18 · +34dVerified

Name: Butler Tax & Accounting
norm: butler tax accounting

Name: Rockstar Capital Dev Group II LLC
norm: rockstar capital dev group ii
Industry: Professional Servicesllm

Discovered: Feb 3, 2025
Breach occurred: Feb 3, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 18, 2025
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Utah State Tax Commission notified Butler Tax of suspicious activity
Third party: via Tax Dome
Initial access: valid_credentials

During the incident: Launched a thorough investigation in consultation with outside cybersecurity professionals
Performed a comprehensive investigation into the security of its environment
Offered the affected residents complimentary one-year memberships with a credit monitoring service
Advised the affected residents about the process for placing fraud alerts and/or security freezes on their credit files
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: 46 weeks(322 days from discovery to filing)
Compliance flags: IA AG >5 bday
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Delaware State AGNov 18 · first

Nebraska State AGNov 18 · first

Washington State AG+34d

Iowa State AG+34d · this page

Texas State AG+41d

Illinois State AG+44d

Pattern: first filing Nov 18 (DE), 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://www.iowaattorneygeneral.gov/media/cms/12222025_Butler_Tax__Accounting_EB5CE9C6BB269.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 22, 2025
Raw hash: 1c0cd3d44e2baeb2515f77228330e37b1eacd8eb7f0a65a1a1491d84f6498988

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityButler Tax & Accounting

Victim entityRockstar Capital Dev Group II LLC

Incidentdiscovered Feb 3, 2025

Stated responseLaunched a thorough investigation in consultation with outside cybersecurity professionals

ComplianceIA AG >5 bday

Extraction provenanceno artifact recorded

Source provenancewww.iowaattorneygeneral.gov