Latest / California / October 2023

University of Missouri

University of Missouri notified California AG on Oct 25, 2023 of a data breach, which occurred on May 31, 2023.

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

Organization
University of Missouri
Source
California AG · source record
Date reported
Oct 25, 2023
Date(s) of breach
Wednesday, May 31, 2023
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Sample notice (PDF)
Discovered
Sep 7, 2023, as stated in the letter
"After a manual review of the documents contained on the MOVEit platform, we identified on September 7, 2023, your personal information in the affected data set."
Days to notice
48 days from discovery (Sep 7, 2023) to the California record (Oct 25, 2023). 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 15:56 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 15:56 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.