HackingRetail & ConsumerRetailStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

J. S. MCCARTHY CO., INC.

bd_ed2680c92680dcf8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 20, 2024

Filed

Nov 18, 2024

To disclose

29 days

Affected

4state residents only

Linked

3 filings

Confidence

66%

Full breach record for J. S. MCCARTHY CO., INC. →

J.S. McCarthy Co., Inc. reported a cybersecurity incident detected on October 20, 2024, involving unauthorized access to files containing personal information of approximately 4 New Hampshire residents. The company engaged forensic experts, notified the FBI, and mailed notifications on November 8, 2024, offering credit monitoring.

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Incident timeline

discovery → filing · 29 days

Oct 20, 2024

Begins

Oct 20, 2024

Discovered

Nov 18, 2024

Filed

vs. sector median

3 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_2092a0e484b7166d2024-11-08 · +10dVerified
Maine State AGbd_7ce0451e8c8564f82024-11-08 · +10dCandidate

Name: Lewis Brisbois Bisgaard & Smith, PLLC
norm: lewis brisbois bisgaard smith

Name: J. S. MCCARTHY CO., INC.
norm: j s mccarthy
Industry: Retail & Consumerllm

Discovered: Oct 20, 2024
Breach occurred: Oct 20, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 8, 2024
Affected individuals: 4state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General

During the incident: Engaged external experts to conduct a forensic investigation
Notified the FBI and are assisting with the investigation
Triaged and restored affected systems
Taken steps to bolster network security
Continually reviewing and revising technical safeguards and enhancements to prevent a similar incident
Offering free credit monitoring and identity theft protection services through TransUnion
Changes made: Bolstered network security
Reviewing and revising technical safeguards and enhancements to prevent a similar incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 days(29 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGNov 8 · first

Maine State AGNov 8 · first

New Hampshire State AG+10d · this page

Pattern: first filing Nov 8 (MA), last Nov 18 (NH) — a 10-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://mm.nh.gov/files/uploads/doj/remote-docs/j-s-mccarthy-20241118.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 18, 2024
Raw hash: fb91c3d891fc877a29fdd099e586e993ba6b7ecd298c690f8f7924f790ee111e

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityLewis Brisbois Bisgaard & Smith, PLLC

Victim entityJ. S. MCCARTHY CO., INC.

Incidentdiscovered Oct 20, 2024

Stated responseEngaged external experts to conduct a forensic investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov