What was exposed, when it happened, and which databases confirm it.
- accounts
- 2,467,808
- Breached
- December 6, 2015
- Last Update
- October 1, 2016
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
Your address never leaves this page: it is hashed in your browser and only a short fragment of that hash is sent.
What happened
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.
Compromised Info
- Email addresses
- IP addresses
- Passwords
- Usernames
- Website activity
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- HIBP
FAQ
What was leaked in the Aternos breach?
The Aternos breach exposed: Email addresses, IP addresses, Passwords, Usernames, and Website activity.
When did the Aternos breach happen?
The Aternos breach was disclosed on December 6, 2015 and affected 2,467,808 records.
Am I affected by the Aternos breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Aternos leak.