Experian
Disclosed Oct 1, 201510 years ago15,000,000 affectedConfirmed
Experian server breach exposes 15 million T-Mobile credit applicants
T-Mobile said its credit application vendor Experian was breached and a hacker acquired records of about 15 million individuals who applied for T-Mobile service or device financing from September 2013 to September 2015.
What is known
| People affected | 15,000,000 (as reported by the organization) |
|---|---|
| Disclosed | Oct 1, 2015 |
| Happened | Apr 9, 2016 |
| Attack | Vendor breach |
| Data exposed | Names, Addresses, Dates of birth, Social Security numbers, Government IDs |
| Sector | Data brokers · IE |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| T-Mobile US 10-Q for Q3 2015sec.gov · SEC filing | SEC filing |
| Indiana Attorney General 2016 data breach report: Experianin.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Oct 1, 2015 | 15,000,000 |
| Indiana AGresidents of IN | Apr 29, 2016 | 3 |
Other breaches at Experian
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Disclosed Sep 1, 2020Sep 1, 20206 years agoUnverified | Sep 1, 20206 years ago | Not stated | Tech | Unverified | 1.3Macct |
| Disclosed Jul 21, 2014Jul 21, 201412 years ago | Jul 21, 201412 years ago | Not stated | Tech | Confirmed | 1,158 |
History of this record
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.