UC Davis Health — May 2023 breach

Clustered 2 filings across 1 jurisdiction · filing window Jul 25, 2023 → Jul 28, 2023. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

2 filings

States

Affected · reported

3,201

First → last filing

Jul 25, 2023 → Jul 28, 2023

Merge confidence

100%

incident inc_ca6647a7dc164c94 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 2 regulatory filings. The filings describe unauthorized access. Intrusion May 24, 2023, discovered May 24, 2023 — the first regulatory filing landed 62 days later (flagged late). 3,201 individuals reported across the linked filings. Data reported: Government ID, PHI, Health (basic), and 1 more. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

62days

Discovered → first regulatory filing

Filing span

3days

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 late · 64dHIPAA✓ HHS notifiedFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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