2013 — Riot Games: A security breach has resulted in the usernames,…
Data compromised
Personal information
Technical writeup
A security breach has resulted in the usernames, email addresses, first and last names, and encrypted passwords of League of Legends users to be exposed. About 120,000 transaction records from 2011 may have been accessed. The transaction records contained hashed and salted (encrypted) credit card numbers. The information was stored on a system that had not been used since 2011.
Root cause
Hacking