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

National Student Clearinghouse

bd_e40ce7006cdba8e6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Aug 30, 2023

To disclose

13 weeks

Affected

Not disclosed

Linked

16 records

Confidence

66%

Full breach record for National Student Clearinghouse →

National Student Clearinghouse notified Delaware AG of a breach involving its third-party provider, Progress Software's MOVEit Transfer solution. The incident occurred around May 30, 2023, when an unauthorized party accessed files containing names, DOBs, SSNs, and student records. The Clearinghouse patched the software, engaged forensic experts, coordinated with law enforcement, and offered two years of free identity monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d13 weeks discovery → filing

Incident timeline

undetected · 1 days

discovery → filing · 13 weeks / 91 days

May 30, 2023

Begins

May 31, 2023

Discovered

Aug 30, 2023

Filed

vs. sector median

+2 wks slower

This filing is one of 16 records 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 was first seen 77 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Maine State AGbd_2a4b3c8c4d73dde12023-08-31 · +1dVerified by operator
Massachusetts State AGbd_31d33972c1e551702023-08-31 · +1dVerified by operator
New Hampshire State AGbd_e6b6aa0a9330aac62023-09-18 · +19dVerified by operator
Washington State AGbd_116e7610d8f2a7682023-09-21 · +22dVerified by operator

Show 6 more filings ↓up to 110d gap

California State AGbd_3c0bc77e712651d42023-09-21 · +22dVerified by operator
Oregon State AGbd_f56f2ba4dc3877702023-09-21 · +22dVerified by operator
South Carolina State AGbd_ff3f3f8d31ce3bb42023-09-22 · +23dVerified by operator
California State AGbd_c5625c0a94dc7f2e2023-12-12 · +104dVerified
Maine State AGbd_8ac0fc71a5cf7b942023-12-15 · +107dCandidate
New Hampshire State AGbd_ef6d774a2bb958e32023-12-18 · +110dVerified by operator

Showing first 10 of 15 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: Technologyllm

Discovered: May 31, 2023
Breach occurred: May 30, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPII
Data elements: Date of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
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(91 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 8 states

View merged incident ↗

Delaware State AGAug 30 · first · this page

Maine State AG+1d

Massachusetts State AG+1d

New Hampshire State AG+19d

Washington State AG+22d

California State AG+22d

Oregon State AG+22d

South Carolina State AG+23d

California State AG+104d

Maine State AG+107d

New Hampshire State AG+110d

Pattern: first filing Aug 30 (DE), last Dec 18 (NH) — a 110-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 15 — 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://attorneygeneral.delaware.gov/wp-content/uploads/sites/50/2023/10/National-Student-Clearing-House-Sample-Individual-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 30, 2023
Raw hash: 3a524ace57b61263e0f61dee17a141865d948ba9101402fd5fa78bfcb59dcf42

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityNational Student Clearinghouse

Victim entityNational Student Clearinghouse

Incidentdiscovered May 31, 2023

Stated responseInitiated an investigation with the support of leading cybersecurity experts

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenanceattorneygeneral.delaware.gov