DisclosureLens
UnknownHigh

National Student Clearinghouse

bd_f56f2ba4dc387770 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Sep 21, 2023

To disclose

—

Affected

227,553

Linked

15 filings

Confidence

95%
Full breach record for National Student Clearinghouse →2 incidents on file

National Student Clearinghouse reported a data breach to the Oregon Attorney General. The breach was reported on 2023-09-21. 227,553 individuals were affected.

Leak gap clock⏱ Leak >90d
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Sep 21, 2023

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 15 about the same incident.View merged incident
Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →
A leak claim by cl0p about this victim predates this filing by 99 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filings ↓up to 88d gap

Showing first 10 of 14 linked disclosures.

Filing propagation · 11 filings · 8 states

View merged incident ↗
Maine State AGAug 31 · first
Massachusetts State AGAug 31 · first
Montana State AGAug 31 · first
New Hampshire State AG+18d
Washington State AG+21d
California State AG+21d
Oregon State AG+21d · this page
South Carolina State AG+22d
California State AG+103d
Maine State AG+106d
New Hampshire State AG+109d

Pattern: first filing Aug 31 (ME), last Dec 18 (NH) — a 109-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 14 — the full spread may be wider.

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.