The Madeira School, Inc. — February 2020 breach

Clustered 3 filings across 3 jurisdictions · filing window Dec 4, 2020 → Dec 11, 2020. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

3 filings

States

Affected · reported

1,107

First → last filing

Dec 4, 2020 → Dec 11, 2020

Merge confidence

100%

incident inc_0d39b6e5198f461e · merged by deterministic · confidence 100%

Part of the BLACKBAUD, INC. supply-chain incident (2020) — at least 175 organizations filed notifications naming this third party.

Confirmed breach. Merged as one breach: 3 regulatory filings. The filings describe malware. Intrusion Feb 7, 2020–May 20, 2020, discovered Jul 16, 2020 — the first regulatory filing landed 141 days later. 1,107 individuals reported across the linked filings. Data reported: Government ID and Identity (basic). Notifications rolled out on a 7-day schedule across 3 filings beginning Dec 4, 2020. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

141days

Discovered → first regulatory filing

Discovery variance

82days

Range of discovered_at dates across filings

Filing span

7days

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 · 59dMassachusetts✓ MA credit monitoring dueFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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