Johnson Matthey, Inc.

Johnson Matthey, Inc. notified California AG on Mar 18, 2024 of a data breach, which occurred on Feb 15, 2024. Data exposed: Social Security number, Financial / bank account, Date of birth, Name.

Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: Johnson Matthey, Inc.
Source: California AG · source record
Date reported: Mar 18, 2024
Date(s) of breach: Thursday, February 15, 2024
Residents affected: Not published by this source
Data exposed: Social Security number Financial / bank account Date of birth Name
Notice letter: Sample notice (PDF)
Discovered: Feb 15, 2024, as stated in the letter
"On February 15, 2024, the Company learned that files containing the personal information of members of our U.S.-based workforce had been stored on a third-party storage platform."
Days to notice: 32 days from discovery (Feb 15, 2024) to the California record (Mar 18, 2024). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 24 months of credit or identity monitoring through Experian
Third party: The letter attributes the incident to a vendor or service provider
First seen by BreachTally: 2026-10-30 15:41 UTC

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

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