DisclosureLens
HackingTechnologyInformationCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

National Student Clearinghouse

bd_2a4b3c8c4d73dde1 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 20, 2023

Filed

Aug 31, 2023

To disclose

10 weeks

Affected · nationwide

51,68961 in this filing

Linked

15 filings

Confidence

65%
Full breach record for National Student Clearinghouse2 incidents on file

National Student Clearinghouse reported an external system breach (hacking) occurring on May 30, 2023, discovered on June 20, 2023. The incident compromised names and Social Security Numbers of 51,689 individuals, including 61 Maine residents. The entity provided written notification on August 31, 2023, and offered 24 months of identity monitoring services via Kroll.

Maine clockDiscovered Jun 20, 2023Filed with AG Aug 31, 202372d ME AG >30d10 weeks discovery → filing
AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 21 days
discovery → filing · 10 weeks / 72 days

May 30, 2023

Begins

Jun 20, 2023

Discovered

Aug 31, 2023

Filed

vs. sector median

8 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 →
A leak claim by cl0p about this victim predates this filing by 78 days.View originating leak claim

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 (MA), 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.