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Confirmed4 filings · 4 statesUnverified claimConfirmedEnforcedmoderate sensitivity

Merged incident · 4 filings

EpiSource — February 2023 breach

Clustered 4 filings across 4 jurisdictions · filing window Jun 2, 2023 → Jun 9, 2023. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

4 filings

States

Affected · reported

23,557

First → last filing

Jun 2, 2023 → Jun 9, 2023

Merge confidence

100%

incident inc_b4ce6367faf64a62 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings. The filings describe unauthorized access. Intrusion Feb 19, 2023–Feb 21, 2023, discovered Feb 20, 2023 — the first regulatory filing landed 102 days later. 23,557 individuals reported across the linked filings. Data reported: PHI, Health (basic), Identity (basic), and 1 more. Notifications rolled out on a 7-day schedule across 4 filings beginning Jun 2, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

102days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

7days

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 notifiedFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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