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August 20, 2021 Verified Sensitive Record Telecommunications provider

AT&T Attributed Identity Dataset (2021)

The identity dataset attributed to AT&T in 2021 is a six-field corpus catalogued with an August 2021 date and 49,102,176 unique records, with origin initially disputed.

49.1 Million
Reported Records
6
Data Types
Critical
Exposure Scope
Yes
Verification

Exposed Data Types

6
Dates of birth
Email addresses
Government-issued ids
Names
Phone numbers
Physical addresses

Additional Information

Added DateMarch 19, 2024
Breach DateAugust 20, 2021
Domainatt.com
SourceAT&T statement, regulatory notice, and authenticated attributed corpus
Last Content UpdateJuly 29, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Record Information

Record NameAT&T
CategoryTelecommunications provider
CountryUnited States
Related Websiteatt.com

Risk Level

Critical

The reported impact exceeds 1 million and falls within the critical severity band.

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