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Confirmed10 filings · 9 statesUnverified claimConfirmedEnforcedinc_ransomhigh sensitivity

Merged incident · 10 filings

OSI SYSTEMS, INC. — December 2025 breach

Clustered 10 filings across 10 jurisdictions · filing window Dec 30, 2025 → Mar 12, 2026. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

10 filings

States

Affected · reported

4,910

First → last filing

Dec 30, 2025 → Mar 12, 2026

Merge confidence

100%

incident inc_8fe30df3d4564786 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 9 regulatory filings and 1 unverified claim. Intrusion Dec 23, 2025–Dec 25, 2025, discovered Dec 25, 2025 — the first regulatory filing landed 75 days later (flagged late). 4,910 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and PII. Notifications rolled out on a 72-day schedule across 9 filings beginning Dec 30, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

75days

Discovered → first regulatory filing

Discovery variance

47days

Range of discovered_at dates across filings

Leak precedence

70days before filing

Days between the first leak-site claim and the first regulatory filing. Positive = the claim came first (public exposure before disclosure). Negative = the claim trailed the filing, so there was no pre-disclosure leak. Counts regulatory filings only — press coverage is not a regulatory disclosure.

Filing span

72days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksTexas✗ TX AG >30dVermont⏱ VT AG >14 bdayMaine⏱ ME AG >30d · 76dLeak gap⏱ Leak >30dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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