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Latest / Massachusetts / May 2026

Ernst & Young LLP

Ernst & Young LLP notified Massachusetts OCABR on May 18, 2026 of a data breach affecting 1 Massachusetts residents. Data exposed: Social Security number.

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
Massachusetts OCABR · source record
Date reported
May 18, 2026
Date(s) of breach
Not stated
Residents affected
1 (Massachusetts residents)
Data exposed
Social Security number
Notice letter
Not available
First seen by BreachTally
2026-10-30 19:56 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 19:56 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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Information compromised, as listed

Organization type: Other. Breached: Social Security numbers.

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 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
Ernst & Young LLP California AG CA Aug 9, 2023 Not published Social Security numberFinancial / bank accountPostal addressName

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.