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

16 records

Confidence

66%

Full breach record for National Student Clearinghouse →

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.

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 / 92 days

May 30, 2023

Begins

May 31, 2023

Discovered

Aug 31, 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 78 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

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

Show 6 more filings ↓up to 109d gap

California State AGbd_3c0bc77e712651d42023-09-21 · +21dVerified by operator
Oregon State AGbd_f56f2ba4dc3877702023-09-21 · +21dVerified by operator
South Carolina State AGbd_ff3f3f8d31ce3bb42023-09-22 · +22dVerified by operator
California State AGbd_c5625c0a94dc7f2e2023-12-12 · +103dVerified
Maine State AGbd_8ac0fc71a5cf7b942023-12-15 · +106dCandidate
New Hampshire State AGbd_ef6d774a2bb958e32023-12-18 · +109dVerified 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: Jun 23, 2023
Affected individuals: 393state-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 pursuant to Progress Software’s instructions
Put in place additional monitoring measures to further protect our systems and your data
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(92 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 ↗

Maine State AGAug 31 · first

Massachusetts State AGAug 31 · first

Montana State AGAug 31 · first · this page

New Hampshire State AG+18d

Washington State AG+21d

California State AG+21d

Oregon State AG+21d

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 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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-623.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 31, 2023
Raw hash: 54181333eb41fdb4cb386becbf5cfe89baa9ec6981f31ba7a8b4679695b7a612

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 provenancedojmt.gov