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Latest / California / July 2025

Cerner Corporation

Cerner Corporation notified California AG on Jul 25, 2025 of a data breach, which occurred on Jan 22, 2025. Data exposed: Social Security number, Medical / health information, Name.

All 5 filings by Cerner Corporation, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Cerner Corporation
Source
California AG · source record
Date reported
Jul 25, 2025
Date(s) of breach
Wednesday, January 22, 2025
Residents affected
Not published by this source
Data exposed
Social Security number Medical / health information Name
Notice letter
Sample notice (PDF)
Discovered
Mar 7, 2025, as stated in the letter
"On March 7, 2025, we learned that an unauthorized third party gained access to and obtained data that was maintained by our vendor."
Days to notice
140 days from discovery (Mar 7, 2025) to the California record (Jul 25, 2025). 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 15:29 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 15:29 UTC on Oct 30, 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 Cerner Corporation

OrganizationSourceStateReportedResidents affectedData exposed
Cerner Corporation Vermont AG VT Oct 5, 2026 2,464 Social Security numberMedical / health information
Cerner Corporation Texas AG TX Oct 2, 2026 2,992,244 Social Security numberMedical / health informationPostal address
Cerner Corporation Oregon DOJ OR Jul 6, 2026 8,329 Not stated
Cerner Corporation Oregon DOJ OR Jul 25, 2025 1,970,332 Not stated

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