HackingManufacturingManufacturingStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

U.S. Graphite Corporation

bd_71a518b7582edee6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 19, 2025

Filed

Feb 27, 2026

To disclose

27 weeks

Affected

1state residents only

Linked

4 filings

Confidence

66%

U.S. Graphite Corporation notified the New Hampshire Attorney General of a cybersecurity incident. Unauthorized access occurred on July 31, 2025, discovered on August 19, 2025. Approximately one New Hampshire resident was affected, with potential exposure of names and Social Security numbers. USG reset passwords, notified law enforcement, and offered credit monitoring.

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Leak gap clock✗ Leak >180d27 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 · 19 days

discovery → filing · 27 weeks / 192 days

Jul 31, 2025

Begins

Aug 19, 2025

Discovered

Feb 27, 2026

Filed

vs. sector median

+17 wks slower

This filing is one of 4 about the same incident.View merged incident

A leak claim by pear about this victim predates this filing by 192 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitepearbd_50e13a5e74ada44b2025-08-19 · +192dVerified by operator

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_0b6923de6547e8232026-02-20 · +7dCandidate
Indiana State AGbd_e76edd1c19a7e9372026-02-20 · +7dCandidate

Name: Cipriani
norm: cipriani
Domain: cipriani.com

Name: U.S. Graphite Corporation
norm: u.s. graphite
Domain: us-graphite.com
Industry: manufacturing
Industry: Manufacturingllm

Discovered: Aug 19, 2025
Breach occurred: Jul 31, 2025
Undetected for: 19 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 20, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified law enforcement
Initial access: valid_credentials

During the incident: Reset passwords
Conducted a thorough investigation
Notified law enforcement
Reviewed our policies and procedures related to data security
Providing you with access to complimentary credit monitoring and identity protection services
Changes made: Reviewed our policies and procedures related to data security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(192 days from discovery to filing)
Compliance flags: Leak >180d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

Indiana State AGFeb 20 · first

New Hampshire State AG+7d · this page

Pattern: first filing Feb 20 (IN), last Feb 27 (NH) — a 7-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/us-graphite-20260227.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 27, 2026
Raw hash: 1b315f97a7091e8fe6af63478d5c9d4f24ad4b458c9b9e80f6342aaa48f3f797

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entityCipriani

Victim entityU.S. Graphite Corporation

Incidentdiscovered Aug 19, 2025

Stated responseReset passwords

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov