Hayward Sisters Hospital — November 2022 breach

Clustered 2 filings across 1 jurisdiction · filing window Jan 12, 2023 → Jan 27, 2023. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge52%

Determination

Confirmed

Members

2 filings

States

Affected · reported

115,241

First → last filing

Jan 12, 2023 → Jan 27, 2023

Merge confidence

52%

incident inc_57a80d70713a478b · merged by llm · confidence 52%

Confirmed breach. Merged as one breach: 2 regulatory filings. The filings describe unauthorized access. Intrusion Nov 18, 2022, discovered Nov 29, 2022 — the first regulatory filing landed 44 days later. 115,241 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), PHI, and 3 more. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

44days

Discovered → first regulatory filing

Filing span

15days

Time between earliest and latest filing

Not recorded for this incident

Discovery variance · Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.

Regulatory clocksCalifornia✓ CA 60-day OK · 33dHIPAA✓ HHS notifiedFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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