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Latest / California / August 2023

Ernst & Young LLP

Ernst & Young LLP notified California AG on Aug 9, 2023 of a data breach, which occurred on May 31, 2023. Data exposed: Social Security number, Financial / bank account, Postal address, Name.

All 8 filings by Ernst & Young LLP, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Ernst & Young LLP
Source
California AG · source record
Date reported
Aug 9, 2023
Date(s) of breach
Saturday, May 27, 2023Wednesday, May 31, 2023
Residents affected
Not published by this source
Data exposed
Social Security number Financial / bank account Postal address Name
Notice letter
Sample notice (PDF)
Discovered
May 31, 2023, as stated in the letter
"WHAT HAPPENED On May 31, 2023, we were informed by our third-party supplier, Progress Software Corporation, of a security vulnerability involving the supplier’s MOVEit Transfer solution."
Days to notice
70 days from discovery (May 31, 2023) to the California record (Aug 9, 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.

First seen by BreachTally at 15:57 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 Ernst & Young LLP

OrganizationSourceStateReportedResidents affectedData exposed
Ernst & Young LLP Texas AG TX Jul 17, 2026 873 Social Security numberFinancial / bank accountPostal addressName
Ernst & Young LLP Vermont AG VT Jul 16, 2026 13 Social Security numberFinancial / bank account
Ernst & Young LLP California AG CA Jul 15, 2026 Not published In the letter (PDF)
Ernst & Young LLP Massachusetts OCABR MA Jul 15, 2026 480 Social Security number
Ernst & Young LLP Massachusetts OCABR MA May 18, 2026 1 Social Security number
Ernst & Young LLP California AG CA Jul 1, 2024 Not published Social Security numberFinancial / bank accountPostal addressName
Ernst & Young LLP Oregon DOJ OR Aug 22, 2023 168,714 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.