All Breaches
July 11, 2012 Verified Retail

Yahoo Data Breach

The Yahoo data breach affected approximately 453,427 user records according to the record dated July 11, 2012. The recorded fields are email addresses and passwords.

453.4 Thousand
Reported Records
2
Data Types
High
Severity
Yes
Verification

Exposed Data Types

2
Email addresses
Passwords

Additional Information

Added DateDecember 4, 2013
Breach DateJuly 11, 2012
Domainyahoo.com
SourceThird-party breach
Last Content UpdateSeptember 5, 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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Company Information

Company NameYahoo
SectorRetail
CountryUnited States
Websiteyahoo.com

Risk Level

High

The reported impact exceeds 100 thousand and falls within the high severity band.

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