In June 2014, the search engine optimisation forum Black Hat World had three quarters of a million accounts breached from their system. The breach included various personally identifiable attributes which were publicly released in a MySQL database script.
Accounts breached: 777387
Breached on: June 23, 2014
Exposed data: Dates of birth, Email addresses, Instant messenger identities, IP addresses, Passwords, Usernames, and Website activity
Added on: November 03, 2015