HackingFinancial ServicesProfessional ServicesFinanceData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

Feldstein & Stewart LLP

bd_ae81ec86c892582f · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 25, 2024

Filed

Sep 25, 2024

To disclose

26 weeks

Affected · nationwide

8,1719 in this filing

Linked

6 filings

Confidence

65%

Full breach record for Feldstein & Stewart LLP →2 incidents on file

Feldstein & Stewart LLP, CPAs, a New York-based accounting firm, reported an external system breach (hacking) on March 24, 2024. The incident affected 8,171 individuals nationwide, including 9 Maine residents. Compromised data included names, driver's license/state ID numbers, and Social Security numbers. The firm engaged cybersecurity experts, secured its network, and notified affected individuals on September 25, 2024, offering 12 months of credit monitoring through IDX.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Mar 25, 2024 → Filed with AG Sep 25, 2024184d ✗ ME AG >90d26 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 · 1 days

discovery → filing · 26 weeks / 184 days

Mar 24, 2024

Begins

Mar 25, 2024

Discovered

Sep 25, 2024

Filed

vs. sector median

+18 wks slower

This filing is one of 6 about the same incident.View merged incident

A leak claim by play about this victim predates this filing by 186 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Montana State AGbd_2ed8cd5c230d2b192024-09-25Candidate
Vermont State AGbd_6a2639e27e24d7a32024-09-25Verified
Massachusetts State AGbd_952a02bce6e2119e2024-09-25Verified
Indiana State AGbd_f0b7ac795c0b48202024-09-25Verified

Show 1 more filing ↓up to 1d gap

New Hampshire State AGbd_8160bb445173c6d32024-09-26 · +1dVerified

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Feldstein & Stewart LLP
norm: feldstein stewart
Domain: feldsteinandstewart.com
Industry: Financial ServicesllmProfessional Servicesllm

Discovered: Mar 25, 2024
Breach occurred: Mar 24, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Sep 25, 2024
Affected individuals: 8,171state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Took steps to secure its network environment
Engaged independent cybersecurity experts to conduct an investigation
Undertook a comprehensive review of the affected files
Notified affected individuals via first class U.S. mail
Offered complimentary identity protection services through IDX
Changes made: Implemented additional security features in an effort to prevent a similar incident from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(184 days from discovery to filing)
Compliance flags: ME AG >90d · 184dLeak >180dME resident >60d · 184d
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: Mar 25, 2024
→ Filed with AG: Sep 25, 2024
184d 90 days ME AG >90d
Maine
Discovered: Mar 25, 2024
→ Notified: Sep 25, 2024
184d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 25, 2024 → Filed with AG: Sep 25, 2024	184d	90 days	ME AG >90d
Maine	Discovered: Mar 25, 2024 → Notified: Sep 25, 2024	184d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Montana State AGSep 25 · first

Vermont State AGSep 25 · first

Massachusetts State AGSep 25 · first

Indiana State AGSep 25 · first

Maine State AGSep 25 · first · this page

New Hampshire State AG+1d

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-a1252b4f8318/47f57227-b80e-4b12-9657-892d60dff2ac.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 25, 2024
Raw hash: aae88f987300a2f57251a8dab09285d2fe7861069a8a1b1a7334784f3b8f12e1

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityFeldstein & Stewart LLP

Incidentdiscovered Mar 25, 2024

Stated responseTook steps to secure its network environment

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov