UnknownManufacturingManufacturingGovernment IDMedium

NCH CORPORATION

bd_42dfca2c52713f4a · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 5, 2025

To disclose

—

Affected

33state residents only

Linked

18 records

Confidence

95%

Full breach record for NCH CORPORATION →4 incidents on file

NCH Corporation reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-12-05. 33 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Dec 5, 2025

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 18 records 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

New Hampshire State AGbd_468c94ee52fa3fc52025-12-05Verified
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: Manufacturingregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 33state-resident count only
Data types: Government ID
Data elements: Social Security number
Stated not affected: Medical informationFinancial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 7 states

View merged incident ↗

New Hampshire State AGDec 5 · first

Massachusetts 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 (NH), 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://www.mass.gov/doc/data-breach-report-2025/download
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: 1fd8f83ec48bab4b9b454a1df557934038e06691ae289145f19a7330b726ae44

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityNCH CORPORATION

Victim entityNCH CORPORATION

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov