DisclosureLens
Leak SiteHHS OCRState AGConfirmed5 filings · 4 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedrhysidahigh sensitivity
Merged incident · 5 filings

Heart South Cardiovascular Group — November 2025 breach

Clustered 5 filings across 5 jurisdictions · filing window Nov 10, 2025 Apr 13, 2026. View entity profile → Other incidents for this victim →

Determination

Confirmed

Members

5 filings

States

4

Affected · reported

46,666

First → last filing

Nov 10, 2025 Apr 13, 2026

Merge confidence

100%

incident inc_9e31b217ab2f4973 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings and 1 unverified claim. The filings describe unauthorized access. Intrusion Nov 11, 2025, discovered Nov 11, 2025 — the first regulatory filing landed 146 days later. 46,666 individuals reported across the linked filings. Data reported: Government ID, PHI, Health (basic), and 1 more. Notifications rolled out on a 153-day schedule across 4 filings beginning Nov 10, 2025. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
146days

Discovered → first regulatory filing

Discovery variance
93days

Range of discovered_at dates across filings

Leak precedence
146days before filing

Days between the first leak-site claim and the first regulatory filing. Positive = the claim came first (public exposure before disclosure). Negative = the claim trailed the filing, so there was no pre-disclosure leak. Counts regulatory filings only — press coverage is not a regulatory disclosure.

Filing span
153days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delayno SEC 8-K in this cluster.

Regulatory clocksLeak gap Leak >90dMaine ME AG >30d · 53dFull clock table in Litigation Timeline

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Heart South Cardiovascular Group data breach (2025) · DisclosureLens