HackingRetail & ConsumerRetailStolen CredentialsData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Financial accountMediumContained

Warner Music Group

bd_07f2cbb6b77f4ab8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 5, 2020

Filed

Sep 2, 2020

To disclose

28 days

Affected

1,109state residents only

Linked

7 filings

Confidence

66%

Full breach record for Warner Music Group →3 incidents on file

Warner Music Group (WMG) disclosed a cybersecurity incident involving its US-based e-commerce websites, hosted by an external service provider. Between April 25 and August 5, 2020, an unauthorized third party potentially acquired personal information entered by customers, including names, contact details, and payment card data (excluding PayPal transactions). WMG engaged forensic experts, notified law enforcement and credit card providers, and offered 12 months of free identity monitoring via Kroll.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due28 days discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 102 days

discovery → filing · 28 days

Apr 25, 2020

Begins

Aug 5, 2020

Discovered

Sep 2, 2020

Filed

vs. sector median

6 wks faster

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Montana State AGbd_291443e8a85002962020-09-02Verified
California State AGbd_4c882e60c07278442020-09-02Verified
Washington State AGbd_adff23c1da81b4972020-09-02Candidate
Indiana State AGbd_13e339efa758f9df2020-09-03 · +1dVerified

Show 2 more filings ↓up to 7d gap

New Hampshire State AGbd_35175c3bfdf953a22020-09-04 · +2dVerified
Massachusetts State AGbd_1d2a6092d2d3c24c2020-09-09 · +7dVerified

Name: Warner Music Group
norm: warner music
Domain: warnermusic.com

Name: Warner Music Group
norm: warner music
Domain: warnermusic.com
Industry: Retail & Consumerllm

Discovered: Aug 5, 2020
Breach occurred: Apr 25, 2020 – Aug 5, 2020
Undetected for: 102 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1,109state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: notified law enforcement
Initial access: exploit_public_facing

During the incident: Launched a thorough forensic investigation with the assistance of leading outside cybersecurity experts
Took steps to address and correct the issue
Notified the relevant credit card providers
Notified law enforcement
Offering identity monitoring services through Kroll for 12 months, free of charge
Changes made: Offering identity monitoring services through Kroll for 12 months, free of charge
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: SC CRA notice due
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Montana State AGSep 2 · first

California State AGSep 2 · first

Washington State AGSep 2 · first

South Carolina State AGSep 2 · first · this page

Indiana State AG+1d

New Hampshire State AG+2d

Massachusetts State AG+7d

Pattern: first filing Sep 2 (MT), last Sep 9 (MA) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://consumer.sc.gov/sites/consumer/files/Documents/Business%20Resources%20Laws/Related%20Laws/Breaches/2020/WarnerMusicGroup.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 2, 2020
Raw hash: b9b67d6ae3df1901ce74bbb33c6916f5da720fde65f52c3a332958e44d1169ec

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityWarner Music Group

Victim entityWarner Music Group

Incidentdiscovered Aug 5, 2020

Stated responseLaunched a thorough forensic investigation with the assistance of leading outside cybersecurity experts

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov