HackingEducationProfessional ServicesEducationData ExfiltratedEmployee Data InvolvedCustomer Data InvolvedPIIIdentity (basic)LowContained

Cambridge University Press & Assessment

bd_443cd1e253127d97 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Apr 23, 2025

To disclose

—

Affected

53state residents only

Linked

8 filings

Confidence

66%

Full breach record for Cambridge University Press & Assessment →

Cambridge University Press & Assessment notified the NH Attorney General of a network intrusion where an unauthorized actor exfiltrated data on June 5, 2024. The incident affected 53 New Hampshire residents. The organization secured the network, investigated, and notified employees in June 2024. NH residents were notified via mail on April 23, 2025, and offered credit monitoring.

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Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Jun 5, 2024

Begins

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

Nebraska State AGbd_5f82640da0c387692025-04-23Verified
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: EducationllmProfessional Servicesllm

Discovered: —
Breach occurred: Jun 5, 2024
Materiality determined: —
Notification sent: Apr 23, 2025
Affected individuals: 53state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified the Office of the Attorney General of New Hampshire

During the incident: Took measures to secure the network
Began an investigation
Notified its current employees of the incident beginning on June 27, 2024
Offered the current employee population complimentary identity protection services at the time of the notifications
Mailed notification letters to the New Hampshire residents via United States First-Class mail
Offering the residents complimentary credit monitoring and identity theft restoration services through Experian
Provided an email contact and established a dedicated call center that individuals can call to obtain more information regarding the incident
Changes made: Taken steps to enhance its existing security measures
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Nebraska State AGApr 23 · first

California State AGApr 23 · first

Maine State AGApr 23 · first

Indiana State AGApr 23 · first

Vermont State AGApr 23 · first

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/cambridge-university-press-assessment-20250423.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: a5899ebc7409befec9f1f7789d7978549e25b6d9a360c7a0d58cdacf05e89a50

Linked disclosures

Ransomware claims (2)

Regulatory filings (5) · sorted by filing gap

Reporting entityCambridge University Press & Assessment

Victim entityCambridge University Press & Assessment

IncidentUnknown

Stated responseTook measures to secure the network

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov