Ashley-Madison was a pretty serious breach in that respect.
People died because of that one:
https://en.wikipedia.org/wiki/Ashley_Madison_data_breach#Imp...
People died because of that one:
https://en.wikipedia.org/wiki/Ashley_Madison_data_breach#Imp...
[0] https://en.wikipedia.org/wiki/Office_of_Personnel_Management...
[1] https://www.wired.com/2016/10/inside-cyberattack-shocked-us-...
[2] http://www.slate.com/articles/technology/future_tense/2015/0...