T-Mobile USA/Experian
Disclosed Oct 1, 201510 years agoConfirmed
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Oct 1, 2015 |
| Discovered | Sep 21, 2015 |
| Happened | Sep 15, 2015 |
| Attack | Hacking |
| Data exposed | Not stated |
| Sector | Telecom · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| Washington Attorney General breach notice: T-Mobile USA/Experianatg.wa.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Washington AGresidents of WA | Oct 1, 2015 | 328,889 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.