All Breaches
June 11, 2012 Verified Online Gaming

League of Legends Data Breach

The League of Legends data breach is a verified security incident from 2012 that affected player account data of the online MOBA game developed by Riot Games.

339.5 Thousand
Reported Records
3
Data Types
High
Severity
Yes
Verification

Exposed Data Types

3
Email addresses
Passwords
Usernames

Additional Information

Added DateJuly 28, 2018
Breach DateJune 11, 2012
Domainleagueoflegends.com
SourceWebsite breach
Last Content UpdateJuly 18, 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 NameRiot Games / League of Legends
SectorOnline Gaming
CountryUnited States
Websiteleagueoflegends.com

Risk Level

High

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

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