AT&T
4 breaches183M affected in allTechatt.com
| 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 |
| Disclosed Jun 11, 2014Jun 11, 201412 years ago | Jun 11, 201412 years ago | Not stated | Tech | Confirmed | Unknown |
| 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 |
About
Every breach here links to its sources and official notices. Across fru.dev: lawsuits, incidents and outages, the company profile.
- 2026-09-25 · AT&T, 2024-03-19 · notice_affected: or-doj: 51226382 (restored: the portal's own figure)
- 2026-09-25 · AT&T, 2024-03-19 · notice_affected:
- 2026-09-25 · AT&T, 2014-06-11 · disclosed: 2014-06-11
- 2026-09-25 · AT&T, 2014-06-11 · data_types: ["names","ssn","phone"]
- 2026-09-25 · AT&T, 2014-06-11 · disclosed: 2015-04-20
- 2026-09-25 · AT&T, 2014-06-11 · occurred: 2014-06-11
- 2026-09-25 · AT&T, 2024-03-19 · source: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/files/DB-Year-to-Date-Reportdec-2024.pdf
- 2026-09-25 · AT&T, 2023-07-13 · disclosed: 2023-07-13
- 2026-09-25 · AT&T, 2023-07-13 · source: https://ago.vermont.gov/document/2024-04-09-att-data-breach-notice-consumers
- 2026-09-25 · AT&T, 2010-06-09 · added
- 2026-09-25 · AT&T, 2023-07-13 · added
- 2026-09-25 · AT&T, 2024-03-19 · campaign: snowflake-2024
- 2026-09-25 · AT&T, 2024-03-19 · lawsuit: $177M class action settlement covering this and the March 2024 dataset incident (preliminary approval June 2025)
- 2026-09-25 · AT&T, 2024-03-19 · sector: telecom
- 2026-09-25 · AT&T, 2024-03-19 · attack: credential-stuffing
- 2026-09-25 · AT&T, 2024-03-19 · data_types: ["names","dob","emails","government-id","phone","addresses","location","other"]
- 2026-09-25 · AT&T, 2024-03-19 · records: 110000000
- 2026-09-25 · AT&T, 2024-03-19 · summary: AT&T disclosed that attackers accessed its workspace on a third-party cloud platform between April 14 and 25, 2024 and exfiltrated records of calls and texts from May to October 2022 and January 2, 2023 for nearly all of its wireless and MV
- 2026-09-25 · AT&T, 2024-03-19 · title: Call and text records of nearly all AT&T wireless customers stolen via Snowflake
- 2026-09-25 · AT&T, 2024-03-19 · hibp: AllegedATT
- 2026-09-25 · AT&T, 2024-03-19 · data_types: ["names","dob","emails","government-id","phone","addresses"]
- 2026-09-25 · AT&T, 2024-03-19 · disclosed: 2024-03-19
- 2026-09-25 · AT&T, 2024-03-19 · summary: In March 2024, tens of millions of records allegedly breached from AT&T were posted to a popular hacking forum . Dating back to August 2021, the data was originally posted for sale before later being freely released. At the time, AT&T maint
- 2026-09-25 · AT&T, 2024-03-19 · title: Material cybersecurity incident reported to the SEC (8-K Item 1.05)
- 2026-09-25 · AT&T, 2024-03-19 · data_types: ["names"]
- 2026-09-25 · AT&T, 2024-03-19 · records_basis: organization
- 2026-09-25 · AT&T, 2024-03-19 · records: 51226382
- 2026-09-25 · AT&T, 2024-03-19 · attack: lost-device
- 2026-09-25 · AT&T, 2024-03-19 · discovered: 2024-03-26
- 2026-09-25 · AT&T, 2024-03-19 · occurred: 2024-03-26