HackingRetail & ConsumerRetailStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Financial accountLowContained

West Music

bd_7c8b4fe53e7aa528 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 24, 2017

Filed

Oct 13, 2017

To disclose

7 weeks

Affected

7state residents only

Linked

3 filings

Confidence

66%

Full breach record for West Music →3 incidents on file

West Music, Inc. notified the NH Attorney General of a data security incident involving its payment processor, Aptos. An unauthorized person accessed the e-commerce platform, potentially exposing customer names, addresses, emails, and credit/debit card info for transactions made between July 21 and August 9, 2017. Seven NH residents were affected. West Music offered identity theft protection and is hiring a new vendor.

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Incident timeline

undetected · 34 days

discovery → filing · 7 weeks / 50 days

Jul 21, 2017

Begins

Aug 24, 2017

Discovered

Oct 13, 2017

Filed

vs. sector median

on median

This filing is one of 3 about the same incident.View merged incident

Part of Aptos supply-chain incident (2017) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Montana State AGbd_7436d3ab3e9c88062017-10-13Candidate
Massachusetts State AGbd_93d9188207b9bafd2017-10-13Verified

Name: West Music
norm: west music
Domain: westmusic.com

Name: West Music
norm: west music
Domain: westmusic.com
Industry: Retail & Consumerllm

Discovered: Aug 24, 2017
Breach occurred: Jul 21, 2017 – Aug 9, 2017
Undetected for: 34 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 5, 2017
Affected individuals: 7state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General Consumer Protection and Antitrust Bureau
Initial access: exploit_public_facing

During the incident: Hired a cybersecurity expert to assist with investigation
Offered potentially impacted individuals identity theft protection services through ID Experts
Hiring a new e-commerce vendor
Changes made: Hiring a new e-commerce vendor to ensure that the privacy and security of customer information is protected
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(50 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGOct 13 · first

Massachusetts State AGOct 13 · first

New Hampshire State AGOct 13 · 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/west-music-20171013.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 13, 2017
Raw hash: df560f81a041fd602c32a7f51520258c61188d311dcd65556c547fe4f2d29c89

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityWest Music

Victim entityWest Music

Incidentdiscovered Aug 24, 2017

Stated responseHired a cybersecurity expert to assist with investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov