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Nishiyamato Academy: data breach filings, state by state

Nishiyamato Academy has 2 data breach filings on record in 2 government portals. The latest was reported to California AG on Sep 30, 2026. Data exposed, as filed: Financial / bank account.

4residents counted in 1 state (MA). Latest filing per state, last twelve months
2filings in 2 government portals
Sep 30, 2026latest filing, California AG

By portal

PortalFilingsLatest reportPeople in the latest filing
California AG1Sep 30, 2026Not published
Massachusetts OCABR1Sep 30, 20264 Massachusetts residents

Counts are the organization's own, as filed with each agency. Most state portals count their own residents only, so no single state shows the whole incident. An organization can file more than once for the same incident, and for different ones.

Case file

Breach window
Mar 28, 2026
Discovered
Mar 27, 2026, as stated in the California letter
Offered to those affected
credit or identity monitoring through Experian (term not stated in the letter we read)
Third party named
No
Days to notice
Past the statutory period in California, counted from discovery to the state's first record

Open the case fileWord document

Every filing with the agency links, each state's record against its statutory period with the citation, what the letter offers, prior incidents. Letter facts are quoted so you can check them.

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Every filing

OrganizationSourceStateReportedResidents affectedData exposed
Nishiyamato Academy California AG CA Sep 30, 2026 Not published In the letter (PDF)
Nishiyamato Academy Massachusetts OCABR MA Sep 30, 2026 4 Financial / bank account

Data reproduced from public government filings. Each row opens the record with the agency link. Spot an error? Email support@breachtally.com with the page link. Corrections are applied and noted.