In January 2015, the hacker collective known as "Lizard Squad" created a DDoS service by the name of "Lizard Stresser" which could be procured to mount attacks against online targets. Shortly thereafter, the service suffered a data breach which resulted in the public disclosure of over 13k user accounts including passwords stored in plain text.
Accounts breached: 13451
Breached on: January 16, 2015
Exposed data: Email addresses, Passwords, and Usernames
Added on: January 18, 2015