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Latest / California / March 2026

OSI Systems, Inc.

OSI Systems, Inc. notified California AG on Mar 11, 2026 of a data breach, which occurred on Dec 23, 2025. Data exposed: Postal address, Name.

All 3 filings by OSI Systems, Inc., state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
OSI Systems, Inc.
Source
California AG · source record
Date reported
Mar 11, 2026
Date(s) of breach
Tuesday, December 23, 2025
Residents affected
Not published by this source
Data exposed
Postal address Name
Notice letter
Sample notice (PDF)
Discovered
Feb 10, 2026, as stated in the letter
"We completed this process on February 10, 2026, and are notifying you because the review determined certain information related to you was contained within the potentially affected files."
Days to notice
29 days from discovery (Feb 10, 2026) to the California record (Mar 11, 2026). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
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 15:27 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 15:27 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 OSI Systems, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
OSI Systems, Inc. Texas AG TX Mar 12, 2026 386 Social Security numberPostal addressName
OSI Systems, Inc. Massachusetts OCABR MA Mar 11, 2026 494 Social Security number

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