DisclosureLens
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

4 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.

Incident timeline — partial

? — ?

Breach window unknown

Oct 1, 2015

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 3 states

View merged incident ↗
California State AGOct 1 · first
Montana State AGOct 1 · first
Massachusetts State AGOct 1 · first · this page
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.