HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedPIIIdentity (basic)LowContained

Feldstein & Stewart LLP

bd_8160bb445173c6d3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 25, 2024

Filed

Sep 26, 2024

To disclose

26 weeks

Affected

10state residents only

Linked

7 records

Confidence

66%

Full breach record for Feldstein & Stewart LLP →

Feldstein & Stewart CPAs, LLP notified the New Hampshire Attorney General of a data security incident discovered on March 25, 2024. Unauthorized access to files occurred, affecting personal information of 10 New Hampshire residents. The firm engaged cybersecurity experts, secured its network, and offered complimentary identity protection services to affected individuals.

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Leak gap clock⏱ Leak >90d26 weeks discovery → filing

Incident timeline

discovery → filing · 26 weeks / 185 days

Mar 25, 2024

Discovered

Sep 16, 2024

Scope determined

Sep 26, 2024

Filed

vs. sector median

+7 wks slower

This filing is one of 7 records about the same incident.View merged incident

A leak claim by play about this victim was first seen 167 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteplaybd_6ff8c48505b990382024-03-23 · +187dVerified by operator

Regulatory filings (5) · sorted by filing gap

Montana State AGbd_2ed8cd5c230d2b192024-09-25 · +1dCandidate
Vermont State AGbd_6a2639e27e24d7a32024-09-25 · +1dVerified by operator
Massachusetts State AGbd_952a02bce6e2119e2024-09-25 · +1dVerified
Maine State AGbd_ae81ec86c892582f2024-09-25 · +1dVerified by operator

Show 1 more filing ↓up to 1d gap

Indiana State AGbd_f0b7ac795c0b48202024-09-25 · +1dVerified by operator

Name: Feldstein & Stewart LLP
norm: feldstein stewart
Domain: feldsteinandstewart.com

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

Discovered: Mar 25, 2024
Materiality determined: Sep 16, 2024
Notification sent: Sep 25, 2024
Affected individuals: 10state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Attorney General John Formella

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
Implemented additional security features
Offered all individuals whose personal information was affected 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(185 days from discovery to filing)
Compliance flags: Leak >90d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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

Maine State AGSep 25 · first

Indiana State AGSep 25 · first

New Hampshire State AG+1d · 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://mm.nh.gov/files/uploads/doj/remote-docs/feldstein-stewart-cpas-20240926.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 26, 2024
Raw hash: 1813a8ce39396c43056757786e258a11e86191f64839afde0a8c514c7bce81a2

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityFeldstein & Stewart LLP

Victim entityFeldstein & Stewart LLP

Incidentdiscovered Mar 25, 2024

Stated responseTook steps to secure its network environment

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov