HackingIdentity (basic)Government IDFinancial accountMediumContained

Harris, Burnett, Arend & Schmiesing CPA

bd_fb8f7b10f48f9e40 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jul 2, 2025

Filed

Aug 7, 2025

To disclose

—

Affected

Not disclosed

Linked

5 filings

Confidence

66%

Full breach record for Harris, Burnett, Arend & Schmiesing CPA →

Harris, Burnett, Arend & Schmiesing CPA’s notified Nebraska residents of a data breach discovered on July 2, 2025. An unknown actor improperly accessed personal information, including names, Social Security numbers, and financial data. The firm locked down its network, engaged cybersecurity experts, and offered 12-24 months of IDX identity protection services to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

Jul 2, 2025

Discovered

Aug 7, 2025

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_f3cc1f01803d4f072025-08-07Verified
Massachusetts State AGbd_2b6a41aee34831c12025-08-11 · +4dVerified
Maine State AGbd_d9d87e937183103b2025-08-11 · +4dCandidate
New Hampshire State AGbd_9ff607749d60599c2025-08-18 · +11dVerified

Name: Harris, Burnett, Arend & Schmiesing CPA
norm: harris burnett arend schmiesing cpa

Name: Harris, Burnett, Arend & Schmiesing CPA
norm: harris burnett arend schmiesing cpa

Discovered: Jul 2, 2025
Materiality determined: —
Notification sent: Aug 7, 2025
Affected individuals: Not disclosed
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: Initiated investigation into the suspicious activity
Took precautionary measures to lock down its network
Working to enhance security
Refreshing all hardware to mitigate this risk
Updating internal policies
Consulting with cybersecurity experts
Offering identity theft protection services through IDX
Changes made: Enhancing security
Refreshing all hardware
Updating internal policies
Consulting with cybersecurity experts
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 · 5 filings · 5 states

View merged incident ↗

Indiana State AGAug 7 · first

Nebraska State AGAug 7 · first · this page

Massachusetts State AG+4d

Maine State AG+4d

New Hampshire State AG+11d

Pattern: first filing Aug 7 (IN), last Aug 18 (NH) — a 11-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://nebraska.gov/ago/data-breach/documents/251edf83-3fff-4e66-9416-ba98a1403b98.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2025
Raw hash: 9a0c6e5751d4ee22df47d2633f987af5e85f77ffb2e21173932eed9234098c92

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityHarris, Burnett, Arend & Schmiesing CPA

Victim entityHarris, Burnett, Arend & Schmiesing CPA

Incidentdiscovered Jul 2, 2025

Stated responseInitiated investigation into the suspicious activity

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov