HackingFinancial ServicesFinanceVulnerability ExploitTargetedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Harris, Burnett, Arend & Schmiesing CPA

bd_d9d87e937183103b · schema v1 · pii pii-v1

Severity

High

Discovered

Jul 2, 2025

Filed

Aug 11, 2025

To disclose

6 weeks

Affected · nationwide

2,1532 in this filing

Linked

5 filings

Confidence

65%

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

Harris, Burnett, Arend & Schmiesing CPA, a financial services firm, reported an external system breach on July 2, 2025. The incident affected 2,153 individuals, including 2 Maine residents. Compromised data included names, Social Security numbers, and financial data. The firm notified affected individuals on August 7, 2025, and offered 12 months of identity theft protection services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 2, 2025 → Filed with AG Aug 11, 202540d ⏱ ME AG >30d6 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 · 6 weeks / 40 days

Jul 2, 2025

Begins

Jul 2, 2025

Discovered

Aug 11, 2025

Filed

vs. sector median

3 wks faster

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

Massachusetts State AGbd_2b6a41aee34831c12025-08-11Verified
Indiana State AGbd_f3cc1f01803d4f072025-08-07 · +4dVerified
Nebraska State AGbd_fb8f7b10f48f9e402025-08-07 · +4dVerified
New Hampshire State AGbd_9ff607749d60599c2025-08-18 · +7dVerified

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

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

Discovered: Jul 2, 2025
Breach occurred: Jul 2, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 7, 2025
Affected individuals: 2,153state + nationwide
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Initiated investigation into suspicious activity
Took precautionary measures to lock down its network
Offering identity theft protection services through IDX
Consulting with cybersecurity experts
Changes made: Enhancing security
Refreshing all hardware
Updating internal policies
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(40 days from discovery to filing)
Compliance flags: ME AG >30d · 40d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jul 2, 2025
→ Filed with AG: Aug 11, 2025
40d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 2, 2025 → Filed with AG: Aug 11, 2025	40d	30 days (soft)	ME AG >30d

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

Massachusetts State AG+4d

Maine State AG+4d · this page

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/8b1df7c6-4eb0-4945-a8f0-8fb03130533c.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 11, 2025
Raw hash: a157bd9acaf9ec973d6592d54030d00d0bfbed2722c7bb899edec81a63a1c1a7

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 suspicious activity

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov