The Johns Hopkins University and The Johns Hopkins Health System Corporation

The Johns Hopkins University and The Johns Hopkins Health System Corporation notified California AG on Jul 25, 2023 of a data breach, which occurred on May 29, 2023. Data exposed: Name.

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

Organization: The Johns Hopkins University and The Johns Hopkins Health System Corporation
Source: California AG · source record
Date reported: Jul 25, 2023
Date(s) of breach: Monday, May 29, 2023
Residents affected: Not published by this source
Data exposed: Name
Notice letter: Sample notice (PDF)
Discovered: May 31, 2023, as stated in the letter
"On May 31, 2023, Johns Hopkins was notified by a third-party software vendor, MOVEit, of a technical vulnerability in its software."
Days to notice: 55 days from discovery (May 31, 2023) to the California record (Jul 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 15:57 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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