UnknownTechnologyInformationCustomer Data InvolvedIdentity (basic)Government IDPIIMedium

OSI SYSTEMS, INC.

bd_7bfa9894135dbf54 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 11, 2026

To disclose

—

Affected

494state residents only

Linked

10 records

Confidence

67%

Full breach record for OSI SYSTEMS, INC. →

OSI Systems, Inc. notified Massachusetts residents of a security incident affecting personal information. The notice, dated March 11, 2026, states that due to Massachusetts law, further details about the nature of the event are not provided. The company is offering 24 months of complimentary credit monitoring and fraud assistance through IDX. No specific dates for discovery or occurrence, nor specific data types beyond general personal information (including SSN references in credit freeze instructions), are disclosed in the letter.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Mar 11, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 10 records about the same incident.View merged incident

A leak claim by inc_ransom about this victim was first seen 71 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinc_ransombd_0fe82859b7e740312025-12-30 · +71dVerified

Regulatory filings (8) · sorted by filing gap

Nebraska State AGbd_03b6bd32acad77302026-03-11Verified
New Hampshire State AGbd_0a97f13a9774839c2026-03-11Verified by operator
Maine State AGbd_1be6cf685a8a18642026-03-11Verified
Washington State AGbd_5de9a0ae9cba56792026-03-11Verified by operator

Show 4 more filings ↓up to 1d gap

Indiana State AGbd_70c902ae9bbbfa9f2026-03-11Verified
California State AGbd_f9015384334e14fd2026-03-11Verified
Texas State AGbd_a5c9fc36c25a18cd2026-03-12 · +1dVerified
Vermont State AGbd_c9de4de82a0958042026-03-10 · +1dVerified by operator

Name: OSI SYSTEMS, INC.
norm: osi systems
Domain: osi-systems.com

Name: OSI SYSTEMS, INC.
norm: osi systems
Domain: osi-systems.com
Industry: Technologyllm

Discovered: —
Materiality determined: —
Notification sent: Mar 11, 2026
Affected individuals: 494state-resident count only
Data types: Identity (basic)Government IDPII
Attack vector: Unknown

During the incident: Offering immediate access to complimentary single bureau credit monitoring and fraud assistance for twenty-four (24) months from the date of enrollment, at no cost to you through IDX
Changes made: Implementing additional security measures to further protect against similar incidents occurring in the future
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >30d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 9 states

View merged incident ↗

Vermont State AGMar 10 · first

Nebraska State AG+1d

New Hampshire State AG+1d

Maine State AG+1d

Washington State AG+1d

Indiana State AG+1d

California State AG+1d

Massachusetts State AG+1d · this page

Texas State AG+2d

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://www.mass.gov/doc/2026-366-osi-systems-inc/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 11, 2026
Raw hash: 2ad8d956361d5255361792bf92c88e9518e88f852a3737e61f4d414969c6bdb5

Linked disclosures

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entityOSI SYSTEMS, INC.

Victim entityOSI SYSTEMS, INC.

IncidentUnknown

Stated responseOffering immediate access to complimentary single bureau credit monitoring and fraud assistance for twenty-four (24) months from the date of enrollment, at no cost to you through IDX

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov