HackingRetail & ConsumerRetailStolen CredentialsData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Financial accountFinancial credentialsLowContained

National Educational Music Company

bd_464b73826d427c2a · schema v1 · pii pii-v1

Severity

Low

Discovered

May 3, 2023

Filed

Aug 2, 2023

To disclose

13 weeks

Affected

2state residents only

Linked

4 filings

Confidence

65%

Full breach record for National Educational Music Company →

National Educational Music Company (NEMC) notified customers that their payment card data was accessed via third-party platform CommerceV3. Unauthorized access occurred between Nov 24, 2021 and Dec 14, 2022. Data included names, emails, billing addresses, card numbers, and CVVs. CommerceV3 conducted forensic investigations and implemented additional security measures.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 525 days

discovery → filing · 13 weeks / 91 days

Nov 24, 2021

Begins

May 3, 2023

Discovered

Aug 2, 2023

Filed

vs. sector median

+6 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Massachusetts State AGbd_30db3dca0e4bb6b42023-08-02Verified
Maine State AGbd_42e55e0b7d1b390e2023-08-02Verified
Indiana State AGbd_c20b4b564d5568172023-08-02Verified

Name: National Educational Music Company
norm: national educational music

Name: National Educational Music Company
norm: national educational music
Industry: Retail & Consumerllm

Discovered: May 3, 2023
Breach occurred: Nov 24, 2021 – Dec 14, 2022
Undetected for: 525 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 2, 2023
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)Financial accountFinancial credentials
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1530 Data from Cloud Storage Object
Threat actor: ExternalFinancial
Third party: via CommerceV3
Initial access: valid_credentials

During the incident: CommerceV3 conducted a forensic investigation with the assistance of a cybersecurity firm
CommerceV3 worked alongside the major card brands and banks during its investigation
CommerceV3 implemented additional security measures designed to protect the privacy of our customers
Changes made: CommerceV3 implemented additional security measures designed to protect the privacy of our customers
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(91 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGAug 2 · first

Maine State AGAug 2 · first

Indiana State AGAug 2 · first

Montana State AGAug 2 · 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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-505.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 2, 2023
Raw hash: 81f057af33de91cac315e639ece840023dcbca9a1d892ee734eae5a6e6f4a2b1

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityNational Educational Music Company

Victim entityNational Educational Music Company

Incidentdiscovered May 3, 2023

Stated responseCommerceV3 conducted a forensic investigation with the assistance of a cybersecurity firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov