DisclosureLens
HackingTechnologyInformationStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDPIIMediumContained

National Student Clearinghouse

bd_b407d20f148d3694 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Aug 31, 2023

To disclose

13 weeks

Affected

393state residents only

Linked

15 filings

Confidence

66%
Full breach record for National Student Clearinghouse2 incidents on file

National Student Clearinghouse notified Montana residents of a data breach involving its MOVEit Transfer provider, Progress Software. Unauthorized access occurred around May 30, 2023, discovered May 31, 2023. Exfiltrated data included names, DOBs, SSNs, and student records. The Clearinghouse patched the software, engaged experts, and offers two years of identity monitoring.

Incident timeline

undetected · 1 days
discovery → filing · 13 weeks / 92 days

May 30, 2023

Begins

May 31, 2023

Discovered

Aug 31, 2023

Filed

vs. sector median

6 wks faster

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 →

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Show 6 more filingsup to 109d gap

Showing first 10 of 14 linked disclosures.

Filing propagation · 11 filings · 8 states

View merged incident ↗

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.