DisclosureLens
HHS OCRState AGConfirmed4 filings · 4 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 4 filings

Horne LLP — December 2021 breach

Clustered 4 filings across 4 jurisdictions · filing window Dec 26, 2023 → Jan 25, 2024 (dated filings only). View entity profile → Other incidents for this victim →

Determination

Confirmed

Members

4 filings

States

4

Affected · reported

170,052

First → last dated filing

Dec 26, 2023 → Jan 25, 2024

Merge confidence

100%

incident inc_2495e177dac74f7f · merged by human · confidence 100%

Confirmed breach. Merged as one breach: 4 regulatory filings. The filings describe unauthorized access. Intrusion Dec 8, 2021–Dec 13, 2021, discovered Dec 1, 2021 — the first regulatory filing landed 755 days later. 170,052 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), PHI, and 2 more. Notifications rolled out on a 30-day schedule across 3 dated filings beginning Dec 26, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
755days

Discovered → first regulatory filing

Discovery variance
693days

Range of discovered_at dates across filings

Filing span
30days

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 clocksMaine⏱ ME AG >30d · 62dHIPAA✓ HHS notifiedFull clock table in Litigation Timeline

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Horne LLP data breach (2021) — filings in 4 jurisdictions, December 2023 · DisclosureLens