DisclosureLens
Leak SiteHHS OCRState AGConfirmed12 filings · 11 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedalphvcritical sensitivity
Merged incident · 12 filings

NORTON HEALTHCARE, INC. — May 2023 breach

Clustered 12 filings across 12 jurisdictions · filing window Jan 1, 2023 Dec 13, 2023. View entity profile → Other incidents for this victim →

Determination

Confirmed

Members

12 filings

States

11

Affected · reported

2,500,000

First → last filing

Jan 1, 2023 Dec 13, 2023

Merge confidence

100%

incident inc_0005378551304861 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 11 regulatory filings and 1 unverified claim. Intrusion May 7, 2023–May 9, 2023, discovered May 7, 2023. 2,500,000 individuals reported across the linked filings. Data reported: Government ID, Minor, Health (basic), and 6 more. Notifications rolled out on a 346-day schedule across 11 filings beginning Jan 1, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Discovery variance
2days

Range of discovered_at dates across filings

Leak precedence
Noneclaim trailed by 144d

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
346days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delayno SEC 8-K in this cluster.

Regulatory clocksLeak gap Leak >180dVermont VT AG >45 bdayMaine ME AG >90d · 213dSouth Carolina SC CRA notice dueFull clock table in Litigation Timeline

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Norton Healthcare, Inc. data breach (2023) · DisclosureLens