✅ Official notice on file. OSI Systems, Inc. filed this data breach notice with the California Attorney General on Mar 11, 2026. Compare it with the letter you received: the official copy is linked below.
OSI Systems, Inc. reported a data breach caused by unauthorized access to its computer network. The letter lists the exposed information individually for each recipient, so check your own copy.
Key facts
| Discovered | Feb 10, 2026 |
|---|---|
| Incident type | Network intrusion |
| Letter sent | Mar 11, 2026 |
| Reported to California AG | Mar 11, 2026 |
| Company helpline | 1-888-201-4468 |
Free credit monitoring
OSI Systems, Inc. is offering IDX at no cost to people who received the letter. Enroll at app.idx.us/account-creation/protect using the activation code printed on your letter.
What to do now
- Get your free credit reports at AnnualCreditReport.com and look for accounts you do not recognize.
- Call the OSI Systems, Inc. helpline at 1-888-201-4468 if you have questions about your letter.
Timeline
- Feb 10, 2026 — OSI Systems, Inc. discovers the incident
- Mar 11, 2026 — Notification letters sent
- Mar 11, 2026 — Breach reported to the California Attorney General
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Source: notification letter and filing submitted by OSI Systems, Inc. to the California Attorney General. BreachLetter is not affiliated with OSI Systems, Inc.. Details extracted from the official letter; always follow the instructions in your own copy.