T-MOBILE US, INC.
3 disclosures across 3 jurisdictions · 2023-01-19 → 2025-08-29. Severity score: 6 across 3 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 6).
Scope. This scorecard covers filings naming this entity record. Related records are scored separately: DEUTSCHE TELEKOM AG (parent record); SPRINT CAPITAL CORPORATION (subsidiary record); SPRINT COMMUNICATIONS LLC (subsidiary record); SPRINT LLC (subsidiary record); T-MOBILE USA, INC. (subsidiary record); USCC Services, LLC (subsidiary record).
1825-day window · this entity as victim
none in window
no clock evaluations
max per incident · per-filing sum: 6
Sector context · Information
- This entity:
- no clock-evaluable filing
- Sector cohort:
- 23.5% on-time (n=1,066 clock verdicts)
Cohort: 2,876 filings from 1,305 organisations carrying NAICS 51 on the filing itself, same 1825-day window; merged entities counted once. Both percentages count clock verdicts through the same registry — a filing with no evaluable clock is excluded from both rather than counted as on time.
Compliance timing by regulator
Notice timing computed from the dates recorded in each filing — an indicative estimate from an automated clock, not a legal determination. Click any chip for this entity's source filings.
No compliance evaluations in this window.
us-federal — clock not computable from the dates recorded in the filings
us-in — no notification-clock framework implemented for this jurisdiction
us-nh — no notification-clock framework implemented for this jurisdiction
Discovery dates behind these clocks: 2 unattributed. Only a date the notification letter itself states is fully defensible; a date derived from another field makes the verdict indicative.
Regulators holding filings from this entity
Every regulator that has received a visible filing naming this entity, all time — filings first.
- Indiana State AG (3)
- New Hampshire State AG (3)
- SEC 8-K (1)
SEC-registered (CIK 0001283699). SEC cyber filings on record in this corpus: 1. Materiality under Item 1.05 is the registrant's own determination; the absence of a filing is a fact about this corpus, not a finding about any obligation.
Breach History (5-Year Lookback)
Historical incident recurrence, cumulative exposure, and per-jurisdiction compliance record
within lookback window
late notice filings
median days between incidents
Cumulative data type exposure
Disclosure timeline
Most-recent 100 filings. Click a row to open the disclosure detail.