HackingManufacturingManufacturingVulnerability ExploitZero-DayData ExfiltratedTargetedIdentity (basic)Government IDPIIMediumContained

NCH CORPORATION

bd_4a5a96e5fb896cbf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 25, 2025

Filed

Dec 5, 2025

To disclose

10 days

Affected

6state residents only

Linked

18 filings

Confidence

66%

Full breach record for NCH CORPORATION →4 incidents on file

NCH Corporation notified Montana residents of a data breach involving Oracle E-Business Suite. An unauthorized actor exploited a previously unknown vulnerability (zero-day) in mid-August 2025 to exfiltrate files containing names, SSNs, DOBs, and benefits info. NCH discovered the incident on Nov 25, 2025, engaged third-party forensics, notified law enforcement, and applied the Oracle patch. Affected individuals received 1 year of IDX identity protection.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 102 days

discovery → filing · 10 days

Aug 15, 2025

Begins

Nov 25, 2025

Discovered

Dec 5, 2025

Filed

This filing is one of 18 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteembargobd_1baf0331620d3d062026-03-09 · +95dVerified by operator

Regulatory filings (9) · sorted by filing gap

Massachusetts State AGbd_42dfca2c52713f4a2025-12-05Verified
Texas State AGbd_36bfa79ae2b695442025-12-09 · +4dVerified
New Hampshire State AGbd_2a8be8acf60543c62026-05-01 · +147dVerified by operator
Vermont State AGbd_4194fd4f05a95e972026-05-01 · +147dVerified by operator

Show 5 more filings ↓up to 151d gap

Maine State AGbd_43ee4726090e90612026-05-01 · +147dVerified
Indiana State AGbd_b1ef5142cadc51242026-05-01 · +147dVerified by operator
Massachusetts State AGbd_df70bf7a043fe76e2026-05-01 · +147dVerified by operator
Nebraska State AGbd_f4b9cb299ae5fa902026-05-01 · +147dVerified by operator
Texas State AGbd_f1f602a50bc76d642026-05-05 · +151dVerified

Showing first 10 of 17 linked disclosures.

Name: NCH CORPORATION
norm: nch
Domain: nch.com

Name: NCH CORPORATION
norm: nch
Domain: nch.com
Industry: Manufacturingllm

Discovered: Nov 25, 2025
Breach occurred: Aug 15, 2025
Undetected for: 102 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government IDPII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement and are supporting its investigation
Initial access: exploit_public_facing

During the incident: Implemented response procedures
Took measures to secure our implementation of Oracle EBS
Launched an investigation with the support of third-party cybersecurity professionals
Notified law enforcement and are supporting its investigation
Changes made: Applied the patch that Oracle developed for Oracle EBS after the vulnerability was discovered
Took other measures to secure our Oracle EBS instance
Arranged for you to receive a complimentary one-year membership to IDX’s identity protection service
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 days(10 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 8 states

View merged incident ↗

Massachusetts State AGDec 5 · first

Montana State AGDec 5 · first · this page

Texas State AG+4d

New Hampshire State AG+147d

Vermont State AG+147d

Maine State AG+147d

Indiana State AG+147d

Massachusetts State AG+147d

Nebraska State AG+147d

Texas State AG+151d

Pattern: first filing Dec 5 (MA), last May 5 (TX) — a 151-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 17 — the full spread may be wider.

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://dojmt.gov/wp-content/uploads/2026/01/Consumer-notification-letter-24.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 5, 2025
Raw hash: 5f93c6ec38554e3778003f775e825c5fe75996b0cdd5dfedb37a4795ecb60000

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityNCH CORPORATION

Victim entityNCH CORPORATION

Incidentdiscovered Nov 25, 2025

Stated responseImplemented response procedures

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov