Latest / California / November 2025

Oakland Museum of California

Oakland Museum of California notified California AG on Nov 12, 2025 of a data breach, which occurred on Jul 10, 2025. Data exposed: Postal address, Name.

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

Organization
Oakland Museum of California
Source
California AG · source record
Date reported
Nov 12, 2025
Date(s) of breach
Thursday, July 10, 2025
Residents affected
Not published by this source
Data exposed
Postal address Name
Notice letter
Sample notice (PDF)
Discovered
Oct 22, 2025, as stated in the letter
"We located address information for identified individuals, which we completed on October 22, 2025, and issued notice."
Days to notice
21 days from discovery (Oct 22, 2025) to the California record (Nov 12, 2025). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
credit or identity monitoring through Experian
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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Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.