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Aternos

Disclosed Oct 1, 20169 years ago1,436,486 accountsUnverified

In December 2015, the service for creating and running free Minecraft servers known as Aternos suffered a data breach that impacted 1.4 million subscribers . The data included usernames, email and IP addresses and hashed passwords.

What is known

People affected1,436,486 (accounts in the leaked data, per Have I Been Pwned)
DisclosedOct 1, 2016
HappenedDec 6, 2015
AttackNot stated
Data exposedEmails, IP addresses, Passwords
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Source
Have I Been Pwned: Aternoshaveibeenpwned.com · Aggregator

Notices filed

WhereFiledPeople
Have I Been Pwnedaccounts in the dataOct 1, 20161,436,486
History of this record
  • 2026-09-25 · added · backfill source

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Aternos

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