HackingEducationEducationStolen CredentialsData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Cambridge University Press & Assessment

bd_5f82640da0c38769 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Jun 5, 2024

Filed

Apr 23, 2025

To disclose

—

Affected

33state residents only

Linked

8 filings

Confidence

66%

Full breach record for Cambridge University Press & Assessment →

Cambridge University Press & Assessment (CUPA) disclosed a network intrusion affecting 33 Nebraska residents. Unauthorized access occurred on June 5, 2024, resulting in the exfiltration of names and Social Security numbers. CUPA notified employees on June 27, 2024, and mailed notification letters to affected Nebraska residents on April 23, 2025. Remediation included engaging forensic experts, notifying law enforcement, and offering two years of credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

Jun 5, 2024

Begins

Jun 5, 2024

Discovered

Apr 23, 2025

Filed

This filing is one of 8 about the same incident.View merged incident

A leak claim by inc_ransom about this victim predates this filing by 322 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteinc_ransombd_376a18b384effbd92024-06-24 · +303dVerified
Leak Siteinc_ransombd_4ca07a68d8bd05d62024-06-05 · +322dVerified

Regulatory filings (5) · sorted by filing gap

New Hampshire State AGbd_443cd1e253127d972025-04-23Verified
California State AGbd_6335ccbbbad76b8a2025-04-23Verified
Maine State AGbd_796965d352b1ce942025-04-23Verified
Indiana State AGbd_9286818ff200a9232025-04-23Candidate

Show 1 more filing ↓

Vermont State AGbd_f3652a3364012f382025-04-23Verified

Name: Cambridge University Press & Assessment
norm: cambridge university press assessment

Name: Cambridge University Press & Assessment
norm: cambridge university press assessment
Industry: Educationllm

Discovered: Jun 5, 2024
Breach occurred: Jun 5, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 23, 2025
Affected individuals: 33state-resident count only
Data types: Government IDIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified Nebraska Attorney General
Initial access: exploit_public_facing

During the incident: Took measures to secure the network
Began an investigation
Notified its current employees of the incident
Offered the current employee population complimentary identity protection services
Appointed external forensic and IT security experts
Informed law enforcement and are supporting their investigation
Established a dedicated call center
Changes made: Taken steps to enhance its existing security measures
Taken steps to enhance our existing security controls and procedures
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
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 · 6 filings · 6 states

View merged incident ↗

New Hampshire State AGApr 23 · first

California State AGApr 23 · first

Maine State AGApr 23 · first

Indiana State AGApr 23 · first

Vermont State AGApr 23 · first

Nebraska State AGApr 23 · first · this page

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://nebraska.gov/ago/data-breach/documents/a034ca87-acbf-486b-8ce3-428edeeefab8.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 23, 2025
Raw hash: 84afec23ba6e2990a2010d8c63332ddb22ceea855c4abb866a62717cb8c9d4a8

Linked disclosures

Ransomware claims (2)

Regulatory filings (5) · sorted by filing gap

Reporting entityCambridge University Press & Assessment

Victim entityCambridge University Press & Assessment

Incidentdiscovered Jun 5, 2024

Stated responseTook measures to secure the network

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov