HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedCustomer Data InvolvedRansom DemandedIdentity (basic)Government IDFinancial accountMediumContained

Heier Weisbrot & Bernstein, LLC

bd_64540db5af03b8b1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 27, 2024

Filed

Aug 7, 2024

To disclose

6 weeks

Affected

7state residents only

Linked

5 filings

Confidence

66%

Full breach record for Heier Weisbrot & Bernstein, LLC →

Heier Weisbrot & Bernstein, LLC, a professional services firm, experienced an external system breach between June 22-26, 2024. An unauthorized actor accessed tax software, leading to attempted fraudulent tax filings for clients. Seven Maine residents were affected, with data including names, SSNs, driver's license numbers, and financial account numbers exposed. Notifications were sent on August 7, 2024, offering one year of identity protection services.

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Maine clockDiscovered Jun 27, 2024 → Filed with AG Aug 7, 202441d ⏱ ME AG >30d6 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

undetected · 5 days

discovery → filing · 6 weeks / 41 days

Jun 22, 2024

Begins

Jun 27, 2024

Discovered

Aug 7, 2024

Filed

vs. sector median

13 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

New Hampshire State AGbd_3ba1077ca1c9ea692024-08-07Verified
Vermont State AGbd_4c8ff54a915235c52024-08-07Verified
Massachusetts State AGbd_709d99aa296e50a42024-08-07Verified
Indiana State AGbd_b20f0e90241b49432024-08-07Verified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: Heier Weisbrot & Bernstein, LLC
norm: heier weisbrot bernstein
Domain: hwb-cpa.com
Industry: Professional Servicesllm

Discovered: Jun 27, 2024
Breach occurred: Jun 22, 2024 – Jun 26, 2024
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 7, 2024
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government IDFinancial account
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Reported fraudulent returns to the IRS
Initial access: exploit_public_facing

During the incident: Launched an investigation with the assistance of a third-party cybersecurity firm
Worked with the IRS to ensure that any other attempted fraudulent returns are not processed
Commenced mailing notifications to the Maine residents
Offering complimentary credit monitoring, fraud consultation, and identity theft restoration services through IDX
Changes made: Take steps to enhance the security of its computer systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(41 days from discovery to filing)
Compliance flags: ME AG >30d · 41d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jun 27, 2024
→ Filed with AG: Aug 7, 2024
41d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 27, 2024 → Filed with AG: Aug 7, 2024	41d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

New Hampshire State AGAug 7 · first

Vermont State AGAug 7 · first

Massachusetts State AGAug 7 · first

Indiana State AGAug 7 · first

Maine State AGAug 7 · first · this page

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/da91deb1-72d2-4aac-9707-19e64e277a27.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 7, 2024
Raw hash: a50056fdacca4fdde0c588ecf5cd59a1a66f2bb87827cbc1dcb523f6487242f5

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityHeier Weisbrot & Bernstein, LLC

Incidentdiscovered Jun 27, 2024

Stated responseLaunched an investigation with the assistance of a third-party cybersecurity firm

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov