HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Green Accounting & Tax LLC

bd_2590e979e3f5d977 · schema v1 · pii pii-v2

Severity

High

Discovered

Apr 27, 2026

Filed

Aug 13, 2026

To disclose

15 weeks

Affected

3,335state residents only

Confidence

67%

Green Accounting & Tax LLC, a Creston, Iowa accounting firm, notified the Iowa Attorney General on August 13, 2026, of a data breach discovered on April 27, 2026. Unauthorized access affected 3,335 Iowa residents, exposing names, SSNs, driver’s license numbers, and financial account information. The firm engaged forensic investigators, notified law enforcement, and offered credit monitoring services.

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Iowa clock✓ IA AG ≤5 bday15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 15 weeks / 108 days

Apr 27, 2026

Discovered

Aug 13, 2026

Filed

vs. sector median

3 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3,335 affectedView incident

Name: Cipriani & Werner
norm: cipriani werner
Domain: c-wlaw.com

Name: Green Accounting & Tax LLC
norm: green accounting
Domain: ga-llc.com
Industry: Professional Servicesllm

Discovered: Apr 27, 2026
Materiality determined: —
Notification sent: Aug 12, 2026
Affected individuals: 3,335state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Engaged a third-party team of forensic investigators
Notified law enforcement
Began providing notice to the potentially impacted individuals on August 12, 2026, via U.S. mail
Offering the potentially impacted individuals complimentary credit monitoring and identity protection services
Changes made: Implemented additional technical safeguards to further enhance the security of information in our possession
Reviewing our policies and procedures to prevent similar incidents from happening again in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(108 days from discovery to filing)
Compliance flags: IA AG ≤5 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

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/8132026_Green_Accounting__Tax_LLC_FEE36F288EF48.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 13, 2026
Raw hash: 99e2c59d82bd0e90352a628fe7eb82a95899989f77067bbb3e73fa02f03ca04d

Reporting entityCipriani & Werner

Victim entityGreen Accounting & Tax LLC

Incidentdiscovered Apr 27, 2026

Stated responseEngaged a third-party team of forensic investigators

ComplianceIA AG ≤5 bday

Extraction provenanceno artifact recorded

Source provenancewww.iowaattorneygeneral.gov