In May 2015, the Bitcoin forum Bitcoin Talk was hacked and over 500k unique email addresses were exposed. The attack led to the exposure of a raft of personal data including usernames, email and IP addresses, genders, birth dates, security questions and MD5 hashes of their answers plus hashes of the passwords themselves.
Accounts breached: 501407
Breached on: May 22, 2015
Exposed data: Dates of birth, Email addresses, Genders, IP addresses, Passwords, Security questions and answers, Usernames, and Website activity
Added on: March 27, 2017