In June 2016, the Facebook application known as Uiggy was hacked and 4.3M accounts were exposed, 2.7M of which had email addresses against them. The leaked accounts also exposed names, genders and the Facebook ID of the owners.
Accounts breached: 2682650
Breached on: June 01, 2016
Exposed data: Email addresses, Genders, Names, Social connections, and Website activity
Added on: June 27, 2016