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Confirmed3 filings · 2 statesUnverified claimConfirmedEnforcedvicesocietyhigh sensitivity

Merged incident · 3 filings

Manhasset Union Free School District — September 2021 breach

Clustered 3 filings across 3 jurisdictions · filing window Jan 6, 2022 → Apr 20, 2022. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

3 filings

States

Affected · reported

5,709

First → last filing

Jan 6, 2022 → Apr 20, 2022

Merge confidence

100%

incident inc_3aaab4668b3d46e0 · merged by human · confidence 100%

Confirmed breach. Merged as one breach: 2 regulatory filings and 1 unverified claim. Intrusion Sep 10, 2021–Sep 14, 2021, discovered Sep 14, 2021 — the first regulatory filing landed 218 days later. 5,709 individuals reported across the linked filings. Data reported: Government ID and Identity (basic). Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

218days

Discovered → first regulatory filing

Discovery variance

156days

Range of discovered_at dates across filings

Leak precedence

104days 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

104days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksMaine⏱ ME AG >30d · 62dLeak gap⏱ Leak >90dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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