All Breaches
July 10, 2016 Verified Gaming

Dota 2 Data Breach

The Dota 2 data breach is the forum data incident that occurred in July 2016 on dev.dota2.com, Valve's Dota 2 developer forum. The record contains 1,907,205 unique email addresses.

1.9 Million
Reported Records
6
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

6
Email addresses
IP addresses
Usernames
User IDs
Hashed passwords
Passwords

Additional Information

Added DateMay 23, 2024
Breach DateJuly 10, 2016
Domaindev.dota2.com
SourceWebsite hack
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 NameDota 2 Dev Forum
SectorGaming
CountryUnited States
Websitedev.dota2.com

Risk Level

Critical

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

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