Dota2 Forum Suffers A Security Breach, Over 1,923,972 Million Users Data Stolen

Dota2 (Defense of the Ancients 2), the world popular and the number 1 multiplayer online game for PC has suffered a massive data breach recently this Wednesday. The personal data of 1,923,972 million users was stolen which includes emails, IP addresses, usernames, user identifier and hashed passwords

All these data were stolen and delivered to LeakedSource by an unknown sender on August 9th, 2016. LeakedSource data mining company stated that passwords were stored using MD5 hashing and a salt. The researchers were able to convert over 80% of them to their plaintext forms.

Here is a list of top 20 email domains among the stolen data:


The Dota2 developers have acknowledged the hack and reset the passwords for all forum user accounts. However the security notice clarifies that user’s payment and Steam credentials were not stolen. Also the details about the data breach, that is who hacked and how it was possible to steel all these data successfully is not yet known.


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