Newton Public Schools — March 2023 breach

Clustered 5 filings across 5 jurisdictions · filing window Mar 15, 2024 → Mar 21, 2024. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

5 filings

States

Affected · reported

10,550

First → last filing

Mar 15, 2024 → Mar 21, 2024

Merge confidence

100%

incident inc_9a935a9100734663 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 5 regulatory filings. Intrusion Mar 23, 2023, discovered Mar 28, 2023 — the first regulatory filing landed 353 days later. 10,550 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), Health (basic), and 3 more. Notifications rolled out on a 6-day schedule across 5 filings beginning Mar 15, 2024. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

353days

Discovered → first regulatory filing

Discovery variance

328days

Range of discovered_at dates across filings

Filing span

6days

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 clocksMassachusetts✓ MA credit monitoring dueMaine✓ ME AG ≤30d · 30dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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