The popular security expert Troy Hunt reported some 71,000 user accounts and IP addresses have been leaked from the website Minecraft World Map. The site is very popular withing the Minecraft gaming community, gamers can use the web property to share the worlds they have built. The data includes email addresses, IP address data, login credentials for the popular site. 55% of the compromised accounts were already listed in haveibeenpwned.com that allows users to discover if they have an account that has been compromised in a data breach.”]
Source: http://securityaffairs.co/wordpress/50771/data-breach/minecraft-world-map-hack.html