T‐Mobile USA, Inc. / Experian
Disclosed Oct 1, 201510 years ago15,100,000 affectedConfirmed
What is known
| People affected | 15,100,000 (as reported by the organization) |
|---|---|
| Disclosed | Oct 1, 2015 |
| Happened | Sep 14, 2015 |
| Attack | Not stated |
| Data exposed | Not stated |
| Sector | Telecom · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Indiana Attorney General 2022 data breach report: T‐Mobile USA, Inc. / Experianin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Indiana AGresidents of IN | Oct 1, 2015 | 224,467 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.