R1 RCM HOLDCO INC. — January 2023 breach

Clustered 4 filings across 3 jurisdictions · filing window Mar 1, 2024 → Mar 12, 2024. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

4 filings

States

Affected · reported

16,121

First → last filing

Mar 1, 2024 → Mar 12, 2024

Merge confidence

100%

incident inc_eaf34d9199e44f93 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings. The filing describes unauthorized access. Intrusion Jan 30, 2023, discovered Jan 30, 2023 — the first regulatory filing landed 396 days later. 16,121 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and Health (basic). Notifications rolled out on a 11-day schedule across 4 filings beginning Mar 1, 2024. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

396days

Discovered → first regulatory filing

Filing span

11days

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

No cross-filing comparison data available for this incident.

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