HackingTelecom & MediaInformationStolen CredentialsTargetedIdentity (basic)CredentialsLowContained

SIRIUS XM HOLDINGS INC.

bd_e6b2f08745c9fbe1 · schema v1 · pii pii-v1

Severity

Low

Discovered

Mar 31, 2016

Filed

Mar 31, 2016

To disclose

≤1 day

Affected

3state residents only

Linked

2 filings

Confidence

66%

Full breach record for SIRIUS XM HOLDINGS INC. →5 incidents on file

Sirius XM Radio Inc. notified Montana and other state residents of a data security incident involving unauthorized access to user credentials in its Online Account Center. The incident potentially exposed customer account numbers, addresses, emails, radio nicknames, and payment methods (excluding card/bank data). The company engaged EZShield for identity monitoring and mandated password resets.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · ≤1 day / 0 days

Mar 31, 2016

Discovered

Mar 31, 2016

Filed

This filing is one of 2 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_b918e3fed98e7d8b2016-04-05 · +5dVerified

Name: SIRIUS XM HOLDINGS INC.
norm: sirius xm
Domain: siriusxm.com

Name: SIRIUS XM HOLDINGS INC.
norm: sirius xm
Domain: siriusxm.com
Industry: Telecom & Medianaics map

Discovered: Mar 31, 2016
Materiality determined: —
Notification sent: Mar 31, 2016
Affected individuals: 3state-resident count only
Data types: Identity (basic)Credentials
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1056 Input Capture
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Engaged EZShield, Inc., at our expense, to provide you with services for one year
Require an additional authentication method to be utilized before you can access your account
Monitoring our processes to prevent similar occurrences
Changes made: Monitoring our processes to prevent similar occurrences
Source: Quoted from the filing itself, not independently verified.

Time to disclose: ≤1 day(0 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Montana State AGMar 31 · first · this page

Massachusetts State AG+5d

Pattern: first filing Mar 31 (MT), last Apr 5 (MA) — a 5-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://dojmt.gov/wp-content/uploads/Sirius-XM.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 31, 2016
Raw hash: a996ac37e77ea5da7bebe40b1c6f5c20708cb07c1364cf144eaaa37b973c1d71

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entitySIRIUS XM HOLDINGS INC.

Victim entitySIRIUS XM HOLDINGS INC.

Incidentdiscovered Mar 31, 2016

Stated responseEngaged EZShield, Inc., at our expense, to provide you with services for one year

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov