HackingTechnologyInformationStolen CredentialsCustomer Data InvolvedTargetedGovernment IDIdentity (basic)CredentialsFinancial accountMediumContained

TuneCore

bd_5ff2808e2b565393 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 17, 2015

Filed

Dec 11, 2015

To disclose

24 days

Affected

23state residents only

Linked

3 filings

Confidence

64%

Full breach record for TuneCore →

TuneCore notified Montana AG of unauthorized server access in Nov 2015. Attackers used suspicious logins to export SSNs, DOBs, passwords, and financial account details. TuneCore engaged law enforcement and forensic firms, reset passwords, and offered 12 months of credit monitoring.

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Incident timeline

undetected · 16 days

discovery → filing · 24 days

Nov 1, 2015

Begins

Nov 17, 2015

Discovered

Dec 11, 2015

Filed

vs. sector median

15 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

California State AGbd_a955df555432345b2015-12-11Verified
Massachusetts State AGbd_598d56e95046e2d72015-12-15 · +4dVerified

Name: TuneCore
norm: tunecore
Domain: tunecore.com

Name: TuneCore
norm: tunecore
Domain: tunecore.com
Industry: Technologyllm

Discovered: Nov 17, 2015
Breach occurred: Nov 1, 2015 – Nov 17, 2015
Undetected for: 16 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 4, 2015
Affected individuals: 23state-resident count only
Data types: Government IDIdentity (basic)CredentialsFinancial account
Data elements: Date of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Working with law enforcement to investigate
Initial access: valid_credentials

During the incident: Actively working with law enforcement to investigate the unlawful access
Retained a leading cybersecurity firm to help review security protocols
Secured all environments with updated access controls
Instituted more detailed network logging
Instituted a policy of access segregation among environments
Upgraded all encryption algorithms
Invalidated current TuneCore passwords
Arranged monitoring of activity within the United States for twelve months at no cost
Changes made: Secured all environments with updated access controls
Instituted more detailed network logging
Instituted a policy of access segregation among environments so that reuse of access keys is no longer allowed
Upgraded all encryption algorithms
All development and IT processes under review for further security remediation and enhancement
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 days(24 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 ↗

California State AGDec 11 · first

Montana State AGDec 11 · first · this page

Massachusetts State AG+4d

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/TuneCore.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 11, 2015
Raw hash: a2f8f1c11db885d053cd6b1ee9b6f9ddc5f5840b92978b6fd05eafd3aab71a02

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTuneCore

Victim entityTuneCore

Incidentdiscovered Nov 17, 2015

Stated responseActively working with law enforcement to investigate the unlawful access

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov