UnknownGovernment IDCritical

T-MOBILE USA, INC.

bd_16201a335c3674ae · schema v1 · pii pii-v2

Severity

Critical

Discovered

—

Filed

Oct 1, 2015

To disclose

—

Affected

287,115state residents only

Linked

7 filings

Confidence

95%

Full breach record for T-MOBILE USA, INC. →22 incidents on file

T-Mobile USA Inc. reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2015-10-01. 287,115 Massachusetts residents were affected. The report records the breach type as electronic.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Oct 1, 2015

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

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

California State AGbd_19093bdb9a9ec6d42015-10-01Verified
Washington State AGbd_4acd7ab8e9482cae2015-10-01Verified
Indiana State AGbd_adff277577bf9c912015-10-01Verified
Montana State AGbd_ba0dd1171b8616bb2015-10-01Candidate

Show 2 more filings ↓up to 34d gap

Oregon State AGbd_9ec2e9674ac7b1422015-10-30 · +29dVerified
Massachusetts State AGbd_8f10059d4aee79f82015-11-04 · +34dCandidate

Name: T-MOBILE USA, INC.
norm: t mobile usa
Domain: t-mobile.com

Name: T-MOBILE USA, INC.
norm: t mobile usa
Domain: t-mobile.com

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 287,115state-resident count only
Data types: Government ID
Data elements: Social Security numberDriver's licence number
Stated not affected: Financial account numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 6 states

View merged incident ↗

California State AGOct 1 · first

Washington State AGOct 1 · first

Indiana State AGOct 1 · first

Montana State AGOct 1 · first

Massachusetts State AGOct 1 · first · this page

Oregon State AG+29d

Massachusetts State AG+34d

Pattern: first filing Oct 1 (CA), last Nov 4 (MA) — a 34-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://www.mass.gov/doc/data-breach-report-2015/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 1, 2015
Raw hash: 742b6e70f288935f18fe1d03065e516ba51bdfce03543763c05677647dc48d40

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityT-MOBILE USA, INC.

Victim entityT-MOBILE USA, INC.

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov