DisclosureLens
Leak SiteState AGConfirmed18 records · 9 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedembargohigh sensitivity
Merged incident · 18 records

NCH CORPORATION — August 2025 breach

Clustered 18 records across 9 jurisdictions: 16 filings and 2 leak-site claims · filing window Dec 5, 2025 → May 5, 2026 (dated filings only). View entity profile → Other incidents for this victim →

Determination

Confirmed

Members

18 records

States

9

Affected · reported

4,732

First → last dated filing

Dec 5, 2025 → May 5, 2026

Merge confidence

100%

incident inc_dba9614d10e64436 · merged by human · confidence 100%

Confirmed breach. Merged as one breach: 16 regulatory filings and 2 unverified claims. The filings describe unauthorized access. Intrusion Aug 1, 2025–Feb 25, 2026, discovered Aug 1, 2025. 4,732 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Employment, and 6 more. Notifications rolled out on a 151-day schedule across 13 dated filings beginning Dec 5, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Discovery variance
244days

Range of discovered_at dates across filings

Filing span
151days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksMaine⏱ ME AG >30d · 53dLeak gap⏱ Leak >30dDate basis✓ Clock withheld · confirmation dateMassachusetts✓ MA credit monitoring dueTexas✓ TX AG ≤30dFull clock table in Litigation Timeline

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NCH Corporation data breach (2025) — filings in 9 jurisdictions, November 2025 · DisclosureLens