LatestStatesCompaniesPricingAPIData Start free trial

Latest / California / September 2026

Suffolk Federal Credit Union

Suffolk Federal Credit Union notified California AG on Sep 11, 2026 of a data breach, which occurred on Oct 9, 2025.

All 4 filings by Suffolk Federal Credit Union, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Suffolk Federal Credit Union
Source
California AG · source record
Date reported
Sep 11, 2026
Date(s) of breach
Wednesday, September 17, 2025Thursday, October 9, 2025
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Sample notice (PDF)
Discovered
Nov 7, 2025, as stated in the letter
"On or about November 7, 2025, Mercadien, P.C., CPAs (“Mercadien”), a former service provider to Suffolk Credit Union, detected unauthorized access to a portion of its computer environment."
Days to notice
308 days from discovery (Nov 7, 2025) to the California record (Sep 11, 2026). 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 15:26 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 15:26 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.
Not today? Take the free Monday digest: the week's filings by state and the largest by people affected. Once a week.

Other filings by Suffolk Federal Credit Union

OrganizationSourceStateReportedResidents affectedData exposed
Suffolk Federal Credit Union Texas AG TX Sep 15, 2026 674 Social Security numberFinancial / bank accountPostal addressName
Suffolk Federal Credit Union Vermont AG VT Sep 11, 2026 107 Social Security number
Suffolk Federal Credit Union Massachusetts OCABR MA Sep 11, 2026 463 Social Security numberFinancial / bank account

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