HackingRetail & ConsumerRetailCustomer Data InvolvedTargetedIdentity (basic)Government IDMediumContained

J. S. MCCARTHY CO., INC.

bd_7ce0451e8c8564f8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 20, 2024

Filed

Nov 8, 2024

To disclose

8 days

Affected · nationwide

618440 in this filing

Linked

3 filings

Confidence

66%

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

J.S. McCarthy Co., Inc. reported an external system breach (hacking) occurring on October 19, 2024, discovered on October 31, 2024. The incident affected 618 individuals, including 440 Maine residents. Personal information potentially involved included names and Social Security numbers. The company notified the FBI, restored affected systems, and provided 12 months of credit monitoring via TransUnion to affected individuals.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 20, 2024 → Filed with AG Nov 8, 202419d ✓ ME AG ≤30d8 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 1 days

discovery → filing · 19 days

Oct 19, 2024

Begins

Oct 20, 2024

Discovered

Nov 8, 2024

Filed

vs. sector median

6 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_2092a0e484b7166d2024-11-08Verified
New Hampshire State AGbd_ed2680c92680dcf82024-11-18 · +10dVerified

Name: J. S. MCCARTHY CO., INC.
norm: j s mccarthy

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

Discovered: Oct 20, 2024
Breach occurred: Oct 19, 2024
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Nov 8, 2024
Affected individuals: 618state + nationwide
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Engaged cybersecurity experts to conduct an investigation
Notified the FBI and is assisting with the investigation
Triaged and restored affected systems
Took steps to bolster network security
Offering credit monitoring and identity theft protection services through TransUnion for twelve months
Changes made: Reviewing and revising technical safeguards and enhancements to prevent a similar incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 days(8 days from discovery to filing)
Compliance flags: ME AG ≤30d · 19d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Oct 20, 2024
→ Filed with AG: Nov 8, 2024
19d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 20, 2024 → Filed with AG: Nov 8, 2024	19d	30 days	ME AG ≤30d

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 · this page

New Hampshire State AG+10d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/f4be2551-abed-45f8-b10c-21bb517363a7.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 8, 2024
Raw hash: 82c9c685d461984f33c47a17beee87f3e8fec5db446948c154d0de95057b7894

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityJ. S. MCCARTHY CO., INC.

Victim entityJ. S. MCCARTHY CO., INC.

Incidentdiscovered Oct 20, 2024

Stated responseEngaged cybersecurity experts to conduct an investigation

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov