T-MOBILE US, INC.
4 disclosures across 3 jurisdictions · 2023-01-19 → 2025-08-29. Severity score: 7 across 4 incidents (max per incident: crit=4 high=3 med=2 low=1; per-filing sum: 7).
1825-day window · this entity as victim
none in window
above peer benchmark
max per incident · per-filing sum: 7
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 the source filings.
- SEC1 on-time · 0 late · 1
us-in — no notification-clock framework implemented for this jurisdiction
us-nh — no notification-clock framework implemented for this jurisdiction
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
Per-jurisdiction compliance record
| Jurisdiction | On-time | Late | Rate |
|---|---|---|---|
| us-federal | 1 | 0 | 100% |
Cumulative data type exposure
Disclosure timeline
Most-recent 100 filings. Click a row to open the disclosure detail.
| Filed | Source | Jurisdiction | Severity | Affected | Clocks missed |
|---|---|---|---|---|---|
| 2025-08-29 | state_ag | us-in | Low | 2 | |
| 2024-02-02 | sec_10k_1c | us-federal | Low | — | |
| 2023-04-28 | state_ag | us-nh | Low | 1 | |
| 2023-01-19 | sec_8k | us-federal | Critical | 37.0M |