Yahoo – Jul 11, 2012
On Jul 11, 2012 attack happened.Yahoo! had their online publishing service “Voices” compromised via a SQL injection attack. The breach resulted in the disclosure of nearly half a million usernames and passwords stored in plain text. The breach showed that of the compromised accounts, a staggering 59% of people who also had accounts in the Sony breach reused their passwords across both services.On Dec 04, 2013 only breach discovered.