MCResolver
Data Breach
2,431,501
Records Exposed
Jan 2015
Date of Breach
Database
Breach Type
Oct 2026
Added to Database
About This Breach
Around January 2015, MCResolver, an IP-resolver service popular within the Minecraft community that mapped player usernames to the IP addresses they had connected from, suffered a data breach exposing roughly 13 million username-to-IP records (approximately 2.45 million distinct usernames). The exposed data contained Minecraft usernames paired with IP addresses, and for many records the reverse-DNS hostnames of those IP addresses; no passwords, email addresses or payment information were included. Such resolver data enables privacy harms and targeted DDoS attacks against players. The dataset was later distributed on the BreachForums hacker forum and subsequently redistributed via Telegram.
Compromised Data Types
Country
International
Language
English
Category
Gaming
Indexed On
Oct 15, 2026
Breach Type
Database
What Should You Do?
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