DisclosureLens
Leak SiteHHS OCRState AGConfirmed10 filings · 6 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedkarakurthigh sensitivity
Merged incident · 10 filings

Petaluma Health Center — March 2023 breach

Clustered 10 filings across 7 jurisdictions · filing window Apr 12, 2023 Jun 5, 2023. View entity profile → Other incidents for this victim →

1 cross-filing discrepancyMerge100%

Determination

Confirmed

Members

10 filings

States

6

Affected · reported

124,862

First → last filing

Apr 12, 2023 Jun 5, 2023

Merge confidence

100%

incident inc_ca05962928124ffb · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 9 regulatory filings and 1 unverified claim. The filings describe unauthorized access. Intrusion Mar 7, 2023–Mar 14, 2023, discovered Mar 14, 2023 — the first regulatory filing landed 41 days later. 124,862 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), PII, and 3 more. Notifications rolled out on a 53-day schedule across 9 filings beginning Apr 12, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
41days

Discovered → first regulatory filing

Discovery variance
0days

Range of discovered_at dates across filings

Leak precedence
11days 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
53days

Time between earliest and latest filing

Not recorded for this incident

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

Regulatory clocksMaine ME AG >30d · 45dLeak gap Leak >30dCalifornia CA 60-day OK · 41dFull clock table in Litigation Timeline

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Petaluma Health Center data breach (2023) · DisclosureLens