Grand River Medical Group — October 2020 breach

Clustered 4 filings across 4 jurisdictions · filing window Feb 8, 2021 → Feb 12, 2021. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

4 filings

States

Affected · reported

37,858

First → last filing

Feb 8, 2021 → Feb 12, 2021

Merge confidence

100%

incident inc_73d37f4c778040f8 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings. The filings describe unauthorized access. Intrusion Oct 19, 2020–Oct 22, 2020, discovered Oct 22, 2020 — the first regulatory filing landed 109 days later (flagged late). 37,858 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and Health (basic). Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

109days

Discovered → first regulatory filing

Filing span

4days

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 clocksMaine✗ ME AG >90d · 113dHIPAA✓ HHS notifiedFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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