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Latest / California / October 2026

NCH Corporation

NCH Corporation notified California AG on Oct 30, 2026 of a data breach, which occurred on Feb 25, 2026. Data exposed: Social Security number, Driver's license / state ID, Passport number, Financial / bank account, Medical / health information, Health insurance, Tax ID / EIN / ITIN, Name.

All 7 filings by NCH Corporation, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
NCH Corporation
Source
California AG · source record
Date reported
Oct 30, 2026
Date(s) of breach
Wednesday, January 21, 2026Wednesday, February 25, 2026
Residents affected
Not published by this source
Data exposed
Social Security number Driver's license / state ID Passport number Financial / bank account Medical / health information Health insurance Tax ID / EIN / ITIN Name
Notice letter
Sample notice (PDF)
Discovered
Mar 9, 2026, as stated in the letter
"On March 9, 2026, we became aware that an unauthorized actor may have taken files from our network."
Days to notice
235 days from discovery (Mar 9, 2026) to the California record (Oct 30, 2026). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter
credit or identity monitoring through Experian
First seen by BreachTally
2026-11-02 17:31 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 17:31 UTC on Nov 2, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by NCH Corporation

OrganizationSourceStateReportedResidents affectedData exposed
NCH Corporation Texas AG TX Nov 3, 2026 8,971 Social Security numberDriver's license / state IDPassport numberFinancial / bank account+3
NCH Corporation Vermont AG VT Oct 30, 2026 7 Social Security numberMedical / health information
NCH Corporation Texas AG TX May 5, 2026 2,082 Social Security numberDriver's license / state IDPassport numberFinancial / bank account+4
NCH Corporation Vermont AG VT May 1, 2026 1 Social Security numberFinancial / bank accountMedical / health information
NCH Corporation Massachusetts OCABR MA May 1, 2026 38 Social Security numberMedical / health informationFinancial / bank accountDriver's license / state ID
NCH Corporation Texas AG TX Dec 9, 2025 1,799 Social Security numberName

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.