AT&T
Disclosed Jun 11, 201412 years agoConfirmed
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Jun 11, 2014 |
| Happened | Jun 11, 2014 |
| Attack | Not stated |
| Data exposed | Names, Social Security numbers, Phone numbers |
| Sector | Tech · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: AT&Toag.ca.gov · Official notice | Official notice |
| Maine Attorney General breach notice archive: AT&Tmaine.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Maine AGresidents of ME | Jun 11, 2014 | 4 |
| Maine AGresidents of ME | Apr 20, 2015 | |
| California AGresidents of CA | Apr 23, 2015 |
Other breaches at AT&T
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Call and text records of nearly all AT&T wireless customers stolen via SnowflakeMar 19, 20242 years agoCredential stuffing | Mar 19, 20242 years ago | Credential stuffing | Telecom | Confirmed | 110M |
| Dark web data set covers 73 million current and former AT&T account holdersJul 13, 20233 years ago | Jul 13, 20233 years ago | Not stated | Telecom | Confirmed | 73M |
| AT&T website flaw leaks email addresses of 114,000 iPad 3G ownersJun 9, 201016 years agoHackingUnverified | Jun 9, 201016 years ago | Hacking | Telecom | Unverified | 114K |
History of this record
- 2026-09-25 · disclosed: 2015-04-20 to 2014-06-11 · backfill source
- 2026-09-25 · data_types: [] to ["names","ssn","phone"] · backfill source
- 2026-09-25 · disclosed: 2015-04-23 to 2015-04-20 · backfill source
- 2026-09-25 · occurred: empty to 2014-06-11 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.