In July 2015, a group calling itself "The Impact Team" stole the user data of Ashley Madison, a commercial website billed as enabling extramarital affairs. The group copied personal information about the site's user base and threatened to release users' names and personally identifying information if Ashley Madison would not immediately shut down.
In July 2015, a group calling itself "The Impact Team" stole the user data of Ashley Madison, a commercial website billed as enabling extramarital affairs. The group copied personal information about the site's user base and threatened to release users' names and personally identifying information if Ashley Madison would not immediately shut down.
https://en.wikipedia.org/wiki/Ashley_Madison_data_breach