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HHS OCRState AGConfirmed6 filings · 5 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedcritical sensitivity
Merged incident · 6 filings

Health Center Partners of Southern California — September 2020 breach

Clustered 6 filings across 5 jurisdictions · filing window Apr 8, 2021 → Apr 22, 2021. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

6 filings

States

5

Affected · reported

337,245

First → last filing

Apr 8, 2021 → Apr 22, 2021

Merge confidence

100%

incident inc_ea782ff41efd4963 · merged by deterministic · confidence 100%

Part of the Netgain Networks supply-chain incident (2021) — at least 15 organizations filed notifications naming this third party.
Confirmed breach. Merged as one breach: 6 regulatory filings. Intrusion Sep 1, 2020–Dec 3, 2020, discovered Dec 3, 2020 — the first regulatory filing landed 126 days later. 337,245 individuals reported across the linked filings. Data reported: Government ID, Minor, PII, and 4 more. Notifications rolled out on a 14-day schedule across 6 filings beginning Apr 8, 2021. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
126days

Discovered → first regulatory filing

Discovery variance
95days

Range of discovered_at dates across filings

Filing span
14days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksHIPAA✓ HHS notifiedMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

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