HackingTechnologyEducationInformationStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDPIIHighContained

National Student Clearinghouse

bd_ff3f3f8d31ce3bb4 · schema v1 · pii pii-v1

Severity

High

Discovered

Jun 20, 2023

Filed

Sep 22, 2023

To disclose

13 weeks

Affected

2,696state residents only

Linked

15 filings

Confidence

65%

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

National Student Clearinghouse notified South Carolina of a data breach involving its third-party vendor, Progress Software's MOVEit Transfer solution. Unauthorized access occurred around May 30, 2023, and was discovered on June 20, 2023. Affected data included names, DOBs, SSNs, and student records. The company engaged forensic experts, patched systems, and offered two years of identity monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d13 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 21 days

discovery → filing · 13 weeks / 94 days

May 30, 2023

Begins

Jun 20, 2023

Discovered

Sep 22, 2023

Filed

vs. sector median

5 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 100 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Washington State AGbd_116e7610d8f2a7682023-09-21 · +1dVerified by operator
California State AGbd_3c0bc77e712651d42023-09-21 · +1dVerified by operator
Oregon State AGbd_f56f2ba4dc3877702023-09-21 · +1dVerified by operator
New Hampshire State AGbd_e6b6aa0a9330aac62023-09-18 · +4dVerified by operator

Show 6 more filings ↓up to 87d gap

Maine State AGbd_2a4b3c8c4d73dde12023-08-31 · +22dVerified by operator
Massachusetts State AGbd_31d33972c1e551702023-08-31 · +22dVerified by operator
Montana State AGbd_b407d20f148d36942023-08-31 · +22dVerified by operator
California State AGbd_c5625c0a94dc7f2e2023-12-12 · +81dVerified
Maine State AGbd_8ac0fc71a5cf7b942023-12-15 · +84dCandidate
New Hampshire State AGbd_ef6d774a2bb958e32023-12-18 · +87dVerified by operator

Showing first 10 of 14 linked disclosures.

Name: National Student Clearinghouse
norm: national student clearinghouse
Domain: studentclearinghouse.org

Name: National Student Clearinghouse
norm: national student clearinghouse
Domain: studentclearinghouse.org
Industry: TechnologyllmEducationllm

Discovered: Jun 20, 2023
Breach occurred: May 30, 2023
Undetected for: 21 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2,696state-resident count only
Data types: Identity (basic)Government IDPII
Data elements: Date of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Coordinated with law enforcement
Third party: via Progress Software
Initial access: supply_chain

During the incident: Initiated an investigation with the support of leading cybersecurity experts
Coordinated with law enforcement
Implemented patches to the MOVEit software pursuant to Progress Software’s instructions
Put in place additional monitoring measures to further protect our systems and your data
Arranged to offer identity monitoring services to you for two years at no cost to you
Changes made: Implemented patches to the MOVEit software
Put in place additional monitoring measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(94 days from discovery to filing)
Compliance flags: Leak >90dSC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

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

South Carolina State AG+22d · this page

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.

Source URL: https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/NationalStudentClearinghouse.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 22, 2023
Raw hash: d6376b695988b0de858ba884dd93c8004e244badb588d26e172f6df5ce6e2deb

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityNational Student Clearinghouse

Victim entityNational Student Clearinghouse

Incidentdiscovered Jun 20, 2023

Stated responseInitiated an investigation with the support of leading cybersecurity experts

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov