Every public data breach

Disclosed this week44On record26,355

44 disclosed this week · 26,355 on record

AT&T

Disclosed Jun 11, 2014Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedJun 11, 2014
HappenedJun 11, 2014
AttackNot stated
Data exposedNamesSocial Security numbersPhone numbers
SectorTech · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: AT&T
Official noticemaine.gov
Maine Attorney General breach notice archive: AT&T

Notices filed

Residents of MEJun 11, 2014
Maine AG4 people
Residents of MEApr 20, 2015
Maine AGCount not stated
Residents of CAApr 23, 2015
California AGCount not stated

Other breaches at AT&T

Call and text records of nearly all AT&T wireless customers stolen via SnowflakeCredential stuffing exposed names, dates of birth, emails, government IDs, phone numbers, addresses and location data. Reported to the California AG.Credential stuffing110M affectedTelecomUSMar 19, 2024Dark web data set covers 73 million current and former AT&T account holdersExposed names, emails, phone numbers, addresses, dates of birth, Social Security numbers and credentials and tokens. Reported to the Vermont AG.73M affectedTelecomUSJul 13, 2023AT&T website flaw leaks email addresses of 114,000 iPad 3G ownersHacking exposed emails and names.Hacking114K affectedTelecomUSUnverifiedJun 9, 2010
History of this record
disclosed2026-09-25
2015-04-20 to 2014-06-11by backfillSource
data_types2026-09-25
[] to ["names","ssn","phone"]by backfillSource
disclosed2026-09-25
2015-04-23 to 2015-04-20by backfillSource
occurred2026-09-25
empty to 2014-06-11by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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