All Breaches
December 6, 2015 Verified Sensitive Record Gaming / Minecraft Server Hosting

Aternos 2015 Data Breach

The 2015 Aternos data breach is a credential and activity-data incident affecting a Minecraft server-hosting platform.

1.4 Million
Reported Records
5
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

5
Email addresses
IP addresses
Passwords with unresolved storage representation
Usernames
Website activity

Additional Information

Added DateOctober 1, 2016
Breach DateDecember 6, 2015
Domainaternos.org
SourceAuthenticated Minecraft server-hosting credential and activity 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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Company Information

Company NameAternos
SectorGaming / Minecraft Server Hosting
CountryGermany
Websiteaternos.org

Risk Level

Critical

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

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