Grant Thornton LLP

Grant Thornton LLP notified California AG on Sep 19, 2023 of a data breach, which occurred on May 2, 2023. Data exposed: Name.

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

Organization: Grant Thornton LLP
Source: California AG · source record
Date reported: Sep 19, 2023
Date(s) of breach: Wednesday, April 19, 2023Tuesday, May 2, 2023
Residents affected: Not published by this source
Data exposed: Name
Notice letter: Sample notice (PDF)
Discovered: May 1, 2023, as stated in the letter
"On or about May 1, 2023, we learned that an unauthorized third party potentially gained access to the email account one of our employees."
Days to notice: 141 days from discovery (May 1, 2023) to the California record (Sep 19, 2023). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82). Over the statutory period
Offered in the letter: 12 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.

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